The idea behind Snapkeys isn’t new; the company says it has been working on it for more than 10 years.

A snapshot of Snapkeys' redesigned keyboard.

But the more recent emergence of touchscreen devices — and the complaints from even avid users about typing on them — means that Snapkeys’ research and development has been serendipitously well-timed.

“We think the end user is finally ready for an upgrade to the old Qwerty keyboard, after almost 150 years,” said Ryan Ghassabian, a Snapkeys business development manager. “Today, there are just too many new devices — phones, tablets — that are changing everything.”

“And Qwerty is just not meant to be on touchscreen devices,” he added.

Snapkeys is just one of a growing number of devices and applications that aim to change the way users interact with the traditional keyboard.

That doesn’t necessarily mean altering the layout of the Qwerty keyboard. The popular keyboard add-on Swype, recently acquired by Nuance, uses a standard layout, but lets users trace a word with their fingers.

While many companies work on technology for onscreen keyboards, still others are trying to create smart, ultra-portable or “invisible” keyboards.

Celluon's Magic Cube laser-projected keyboard.

Korea-based Celluon, which works on portable input applications, has introduced a “Magic Cube” device that connects wirelessly to an iPad or iPhone and projects a laser keyboard image onto an opaque surface for users to “type” on. The idea is that the user would only have to tote the palm-sized, battery-operated cube around, instead of a full keyboard.

Mozilla Labs’s Seabird project uses two Pico projectors to spit out keyboard imagery on either side of a smartphone to establish a full keyboard for typing.

Others believe the answer to typing on touchscreens lies in somehow adding a tactile set of keys — ones that people can actually feel, as they’re accustomed to — to those sleek glass displays.

Part of this stems from the simple fact that many consumers find typing on raised keys easier than typing on touchscreens. A study conducted last year at the University of Washington’s Information School in conjunction with Microsoft Research found that when users typed on a flat surface lacking tactile feedback, they were subject to inadvertent touches, and typing speed was 31 percent slower than it was with a physical keyboard.

Five years ago, manufacturers like Nokia and Samsung were trying everything from vibrating screens to sensor pads underneath keys to create the sensation of keys you could feel on touchscreens.

And consumers seem to want options beyond just attaching a full keyboard to a mobile phone or tablet. Last fall, two Seattle-based designers received $201,400 dollars in pledges on crowdfunding site Kickstarter, after having set an initial goal of just $10,000. Their product: A thin, light keyboard overlay called the TouchFire that goes over the iPad’s touchscreen and creates a sense of keys.

But tactile touchscreen tech still hasn’t made its way into the mainstream.

While physical buttons certainly have their advantages, software keyboards, in the meantime, are showing a tremendous amount of potential. For example, keyboards can simply be reconfigured based on context. When in a browser, dedicated keys can be presented for “www” and “.com”. If the entry is for a ZIP code, a screen with only numbers can be offered.

Also, soft keyboards can do interesting things using prediction. Based on what the next character is likely to be, the software can actually assume which letter is likely to be pressed next, making those keys bigger, either physically or just by favoring those keys.

Above all, software keyboards, unlike physical ones, disappear entirely when they are not needed. The trend away from physical keyboards, which began with the iPhone, has continued unabated, with full touchscreen smartphones making up a steadily increasing portion of the market.

Chris Harrison, a Ph.D. candidate in Carnegie Mellon’s Human Computer Interaction Institute, says that while tactile feedback is “kind of the holy grail of input,” we’re still years away from tech that offers true tactility on touchscreens. “Right now, there are ways you can take really inaccurate input and make it usable — look at something like BlindType — so that’s what you’ll see getting pushed out in the next two or three years. Maybe in five years or more, we’ll see the technological breakthrough of ‘shape-shifting’ the keys on touch surfaces, so people can feel them.”

OmniTouch: A new kind of "Palm" phone?

Harrison has spent the past two and a half years working with Microsoft on skin-sensory computing technology, called Skinput. The technology includes specialized sensors that gauge vibrations happening inside of the human body and enable graphical multitouch. The idea, basically, is that by tapping a projected image on your forearm, you can tell your computer — or another electronic device, like your TV — what to do.

More recently, Harrison and Microsoft have retailored the tech, which is now called OmniTouch, to use it on variety of surfaces — not just the epidermis, but also walls, tables, and notepads.

And while Harrison is laser-focused on changing the way we input information, he expressed a different sentiment than Snapkeys does it when it comes to the keyboard.

“The physical keyboard is an amazing thing, and the fact that it hasn’t changed much in almost 150 years is a good thing,” he said. “If you brought back an old keyboard, people will still be able to type just as well, and there aren’t many technologies as durable as that.”

Readers, which do you prefer for typing: Touchscreens or tactile keys?

(Magic Cube photo courtesy of Flickr/AsiaClassified)

AllThingsD’s Ina Fried contributed to this report.

Not much to go on, I know. But certainly more interesting than webOS printers, right?

The Backflip, the first of five Android smartphones AT&T has promised to deliver in 2010, will retail for $99–after a $100 mail-in rebate and a commitment to two years of AT&T data and voice service. It will arrive at market in early March.

The move begins to bring AT&T (T) into parity with Verizon Wireless (VZ) and T-Mobile, which already offer Android handsets like Nexus One and Droid. For Motorola (MOT), it’s another chance to juice sales of its new Android phones, which, as Northeast Securities analyst Ashok Kumar noted just yesterday, have been slowing.

“Motorola’s coming out party appears to be short lived as the success of Nexus One has impacted Motorola’s share at Verizon,” Kumar wrote in a note to clients. “Due to weaker sell through, we are beginning to set negative revisions to production targets. Refresh of the Android platform from HTC, LG, and Samsung will add to competitive pressures later on in the year.”

Unveiled at a press event at the Consumer Electronics Show in Las Vegas, the device is similar to Verizon’s (VZ) Droid in that it features both a touchscreen and keypad, but with one interesting twist: A reverse “qwerty” flip keypad that folds out from behind the display.

“Most people are used to a forward flipping keyboard or an upward slider,” Motorola’s (MOT) Paul Nicholson explained. “The Backflip’s keyboard opens up in the reverse direction.”

Otherwise, the Backflip is similar to its predecessors. It has a 3.1-inch display with a 480 x 320-resolution (HVGA) touchscreen, a 528MHz Qualcomm (QCOM) processor, 32 gigabytes of expandable memory, and a five-megapixel camera with autofocus and LED flash. The Backflip runs Android 1.5 and like the Cliq before it, offers Motorola’s customized Motoblur social networking service.

Overall, a slick little device, though more evolutionary than revolutionary.

“I thought it would hurt my brain using a qwerty,” says the 39-year-old technology director in Cambridge, Mass. He wanted something different. He wanted a Dvorak.

The Dvorak keyboard layout, though around for decades, is as little-known among the general typing population as it is passionately embraced by its devotees. It is to the keyboard what Esperanto is to language and Betamax to videotape. Fans say it lets them type at blazing fast speeds, with less strain on their hands and wrists than typing on a conventional keyboard.

Read the rest of this post on the original site

As technology continues to shrink, more features are being packed into these small mobile devices, making navigation and ease-of-use more important. This week, I tested the Motorola ROKR E8, which costs $199 with a two-year T-Mobile service agreement and makes a real attempt to be more user-friendly. The device, which comes out on July 7, isn’t much bigger than a typical cellphone but its standout feature is its keyboard, which dynamically changes to accommodate whatever you’re doing at the time, revealing only buttons that would be of use to that particular function.

The secret sauce on the ROKR E8 is its keyboard, which changes when it’s used as a phone, music device and camera.

The surface of the ROKR E8 has no physical keys at all. In its off or resting state, in fact, it’s just a black surface with rows of tiny, unlabeled bumps. But this surface is actually divided into two: The top half works like a typical cellphone display while the bottom half projects virtual keys onto its surface and uses the rows of bumps to give these keys a physical presence.

When making a call or sending a text message, the ROKR’s surface displays a regular phone keypad. But as soon as a music shortcut button is pressed, the surface morphs into five buttons for music navigation: play/pause, seek forward, seek backward, shuffle and repeat. Pressing another shortcut button to start the ROKR’s camera mode shows four buttons for zooming in or out, switching to playback mode or changing to video. Motorola (MOT) calls this its ModeShift technology. Though the lower half of the ROKR can be considered a touch device, objects can’t be manipulated with gestures like pinching or dragging as with the Apple (AAPL) iPhone’s multitouch screen.

Overall, I found that the ROKR E8′s dynamic keyboard gave me a real advantage in figuring out how to use the multi-functionality of the phone. Its changing keyboard eliminated a lot of guesswork and time that I may have spent hunting through menus for a command. And true to its name, the ROKR (pronounced “rocker”) is focused on its music phone functionality with an FM radio, a neatly organized music menu and a speaker that has convincingly simulated surround-sound effects.

But this ROKR didn’t always jam out in perfect pitch. A touch-sensitive semicircle in the center is meant to make scrolling through long lists easier — much like Apple Inc.’s iPod wheel. But because this tool on the ROKR isn’t a full circle, scrolling felt unsatisfying. You also can’t buy songs with the ROKR, or even mark songs for purchasing later on a PC.

And while the morphing buttons look futuristic and hip, I experienced a few instances when the phone was slow to react after I touched a button, as when I touched the seek forward button while listening to music or when I chose to open an MMS message I sent to a friend.

Twenty-two tiny bumps dot half of the ROKR’s surface, and the surface below each bump vibrates when it’s touched to provide sensory feedback. Nothing is ever physically pressed down, though the vibration response leads you to think otherwise.

A smart switch on the side can be held down to turn it on or off, or switched into the upward position to lock the device, preventing accidental calls or battery drain.

The ROKR E8 runs on T-Mobile’s (DT) GPRS/EDGE connection, which felt sluggish at times. And not even the dynamic keyboard on this device could help make email or instant messaging easier.

It has a two-megapixel still camera with an 8x digital zoom that can change into video-camera mode in one step. Two gigabytes of memory are built into the ROKR, and more memory can be added via a microSD card slot, which is hidden beneath a back panel. A one-gigabyte microSD card comes with the ROKR. Without this card, the internal memory will hold about 1,500 songs.

With help from a USB cord and Windows (MSFT) Media Player 11, I transferred over 200 MP3s onto my ROKR. Album art that transferred with my songs appeared on-screen as songs played, and the speaker gave off a powerful sound. Built-in stereo Bluetooth can send tunes to Bluetooth-enabled stereo speakers, and it took me just a few seconds to pair my ROKR with Motorola’s EQ5 speakers.

A preloaded program by Shazam lets users hold the ROKR up to any speaker playing a song, and in 30 seconds, identifies the track title, artist, and album art. I held the ROKR up to my alarm clock radio and it worked perfectly. But once these songs are recognized, the track data can’t be used to buy the song or even to transfer a request to buy that song to a PC for buying online at another time.

The ROKR’s FM radio will work only if its included stereo headset is plugged in because the headset has the radio antenna. But once the headset is plugged in, the radio will play via the ROKR’s speaker.

The ROKR E8 has an audio technology called Crystal Talk, which Motorola says allows your phone to perform better in loud environments. Even if the person on the other end of your phone is in a noisy place, the company says Crystal Talk will raise the volume to improve the call. I tested this by speaking to someone on the ROKR while turning a hairdryer on beside the phone. I then used a regular Razr cellphone. The person on the other end said that the ROKR sounded slightly, but noticeably, better.

Motorola’s ROKR E8 is a head-turning phone with many built-in advances that give it a smarter interface. One might wonder what other ModeShift functions the company will integrate into its devices in the future, such as a full QWERTY keyboard. The overall idea of a dynamic keyboard is a step ahead for small devices. It forces the phone to work more intuitively and improves navigation while looking stylishly sleek at the same time.

Edited by Walter S. Mossberg.

Write to Katherine Boehret at mossbergsolution@wsj.com

A fondness for TiVo has encouraged users to refer to it with designated nicknames and/or genders. A teacher friend of mine was recently asked by a student if her husband’s name was TiVo after the child heard her say she would have to tell TiVo about a new TV show. But like any old friend — or spouse — who has been around for a while, TiVo has a few tricks up its sleeve that might surprise longtime users and new owners alike. This column includes just a handful of those tricks and highlights some features that may make TiVo more useful. These tips are for everyday users, not serious hackers, and many others exist.

Remote-Control Codes

Each of these codes is entered one time to enable an otherwise-hidden function, and three chimes signal the code is set. These functions can be disabled by entering the code a second time, or if TiVo is rebooted.

Clock: If you miss having a VCR nearby to tell you the time while you watch TV, TiVo can help. A digital clock can be programmed to show up in the lower right-hand corner of your television screen by pressing “SELECT-PLAY-SELECT-9-SELECT.”

While playing recorded shows, this clock displays the current time and the elapsed time of the program you’re watching. Personally, I check a show’s progress by pressing the remote’s Play button to see the progress bar, and the Info button shows the current time. But the on-screen clock might come in handy when you’re watching TV on a terrible date and you don’t want to get caught glancing at your watch.

30-second skip: One of the glorious functions of TiVo and other DVRs is their ability to fast-forward through commercials. But it takes practice to know when to press Play so as to completely miss commercials.

If you’re unsure about your fast-forwarding technique, TiVo can be permanently set to skip ahead in 30-second increments, by entering “SELECT-PLAY-SELECT-3-0-SELECT.” This code must be set while watching a recorded show. After that, the 30-second skipping works whenever you press the “Skip To Tick” button, which looks like an arrow pointing right to a straight line.

TiVo says this code won’t work for longer time increments, like 90 seconds, and I tried using various increments, to no avail. Still, pressing this button about five or seven times in a row (depending on the show) gets you through commercials with less guesswork.

Disappearing progress bar: TiVo’s progress bar, which shows how far along a program has progressed in terms of the entire show’s duration, appears at various moments, such as when you first play a recorded show or unpause. This indicator lingers on the screen for just about three seconds, but if this seems too long, you can enter “SELECT-PLAY-SELECT-PAUSE-SELECT” to set the progress bar to disappear after less than a second.

I tried this setting on my TiVo, but one second showed only a quick blink of the progress bar, not enough time to see anything.

Number Shortcuts

From the TiVo Central menu, pressing each number on the remote control’s numeric keypad skips directly to a different tool. Some of the more useful shortcuts include pressing “1″ to go to Season Pass Manager (a list of programs that are set to automatically record every episode), “4″ to go to Search Title and “8″ to go to TiVo Suggestions.

Viewing Tips

TiVo can display a programming guide in a TV-Guide-like grid, or as a two-columned TiVo Live Guide that can list future shows for hours or days out. The top of Live Guide gives a detailed description of each selected program, along with its duration and TV rating.

The Now Playing list shows content stored on a TiVo. By default, this list is organized in time sequential order with same-series TV shows grouped into folders. Remote-control shortcuts re-sort this list: pressing “1″ switches from sequential to alphabetical order and vice versa; pressing “2″ ungroups shows to display each title; shows are regrouped into folders when “2″ is pressed again.

Lesser-Known Features

Universal Swivel Search is a way of seeing how TiVo’s various shows and movies are related to one another. It lists details about each program, including actors, directors, tags associated with a show (like love, dating and addiction) and suggestions of similar content. Swivel Search is accessed through the Find Programs menu or More Options while looking at a recorded show.

By selecting a Swivel Search detail about a particular show, such as one of its actors, you can see what else he or she starred in and whether or not that show or movie is available through TiVo or Amazon.com‘s Unbox. Unbox downloads movies directly to your TiVo ranging from $2 to $15 each depending on whether you rent or buy a movie.

Plenty of free Internet content can be downloaded from the Web to your TiVo. But TiVo confusingly places this content in two menus: Find Programs and Music, Photos, Products & More. Under Find Programs, a Download TV & Movies section offers Amazon Unbox movies and free TiVoCast content. The latter can be set to automatically download with Season Pass settings, such as The Onion’s weekly video or ExerciseTV’s twice weekly videos.

The Music, Photos, Products & More menu holds content like photos and unprotected MP3s from a nearby computer, podcasts, Rhapsody music, Yahoo! Weather and Traffic and on-screen games. You can even buy movie tickets through Fandango.

TiVo takes up valuable space in a home entertainment center, so it’s important for the company to make sure its content is varied and useful. The codes and shortcuts mentioned can change the way you use this valuable device every day.

Edited by Walter S. Mossberg

Email mossbergsolution@wsj.com

It seems that this last attribute — the ability to make and receive calls on a cellphone — is overlooked and underestimated by many manufacturers. But believe it or not, there are plenty of people out there who simply want to use their cellphones for calls, period.

These individuals range from college students who frequently damage or lose their phones to wary, first-time buyers to senior citizens whose kids or grandchildren insist they use a cellphone. About a year ago, GreatCall Inc. introduced its Jitterbug cellphones, which were aimed squarely at the senior set with large keys, a free operator service and the phone’s own number prominently displayed on a sticker.

It seems that GreatCall was on to something. Verizon Wireless recently followed the company’s lead by introducing its straightforward, no frills Coupe, a cellphone that offers many of the helpful traits found on Jitterbug phones, like large screen fonts, but without a lot of extras. Verizon simultaneously unveiled two calling plans designed specifically for seniors, and was followed a month later by AT&T and its own monthly plan for those 65 and over. AT&T also has an uncomplicated phone of its own in the works for 2008.

This week I tested Verizon’s $40 (with a two-year contract) Coupe (www.verizonwireless.com) against GreatCall’s $147 Jitterbug Dial (www.jitterbug.com) to see how the two stacked up. I found the Jitterbug more comfortable to use for longer phone calls because of its cushiony earpiece, which blocks out external sound and helps the phone rest easier between your shoulder and ear during conversations. And Jitterbug’s mantra of simplicity will appeal to cellphone newcomers.

But for those who have been using cellphones and are familiar with the way they work, Jitterbug’s nonconformist features — like Yes and No buttons in place of Send and End and the use of a dial tone whenever the clamshell-shaped phone is opened — can come across as too basic, to the point that they’re confusing. One example: many standard cellphones redial the last number called when the Send button is pressed twice, but redialing on the Jitterbug requires navigating through five screens to redial the last number.

The Coupe is the smaller of the two and blends in with other cellphones. It includes a few of the extra functions found in normal mobile phones, like an alarm clock, calculator and the capability to send and receive text messages; perhaps most people who buy the Coupe won’t use it for texting, but it’s nice to have the built-in option. (The Jitterbug doesn’t have any of these features.) Right now, this cellphone only comes in shiny black with a blue border around its outside display screen. An included charging cradle adds a touch of convenience.

The Coupe also has some fun features that give it a more personal touch, including a choice of 24 ringtones and 10 wallpaper designs for the main screen’s background. After seeing low-grade camera lenses on nearly every digital device that I’ve picked up recently, the Coupe looked a little naked without one.

Three red buttons labeled I, C and E (for In Case of Emergency) are positioned just below the phone’s screen and can be assigned names and numbers to work as shortcuts to those most often called. A specially marked “911″ button on the phone’s keypad is designated specifically for emergencies, though this must be held down to use and, even then, asks if the caller definitely intended to call 911.

A speaker button is also clearly labeled on the Coupe’s keypad, and pronounced volume adjustment keys line the phone’s side. On-screen fonts appear larger than those found on regular cellphones.

Verizon’s well-known network is sure to be a draw for potential buyers, especially because any plan used with the Coupe includes free calls to other Verizon Wireless users. Though any of this carrier’s plans work with this basic phone, the Nationwide 65 Plus plan made its debut with the Coupe in hopes of appealing to those ages 65 and up. A single-line plan allows 200 anytime minutes and 500 night and weekend minutes for $30 monthly; the two-line plan offers roughly double the minutes (to be shared) for double the price. These plans aren’t exclusively usable with the Coupe.

GreatCall’s Jitterbug comes in two $147 models: the Dial, with a numeric keypad and the OneTouch, with just three large buttons labeled Operator, Tow and 911. I’ve tested both in the past, but this time around I looked at the Dial because it’s most comparable to Verizon’s Coupe.

The Jitterbug Dial phone comes in black or white, and its buttons and all of its on-screen lettering appear considerably larger than the Verizon Coupe’s. Its number keys glow bright white and are encircled by yellow borders, while the Coupe’s digital keypad is black with glowing blue numbers — colors that aren’t as distinctive. Unlike the Coupe, Jitterbug doesn’t come with a charging cradle, though GreatCall has plans for adding cradles in 2008.

A free operator service can be reached from Jitterbug phones by pressing “0.” This operator greets users by name, places calls on the user’s phone (saving you the trouble of dialing) and can add numbers to a phone’s contact list if a user doesn’t want to or can’t do this.

The Jitterbug can be pre-programmed with names and numbers; I ordered mine with five pre-programmed numbers, a luxury that nervous new cellphone owners might find worthwhile. Things get difficult when you try to enter your contacts. Even though each number key has three or four letters assigned to its key as on all phones, adding a contact involves using Jitterbug’s clumsy system of choosing one letter at a time from the screen. You’re better off using the free operator service for this.

Jitterbug phones let users store only 50 contact names and numbers, while Verizon’s Coupe will store 500. Many first-time cellphone owners will be content with 50, but, again, options are good.

The Jitterbug and Coupe each have small screens on their outer shells that display the time, date and phone numbers of incoming calls. But the Coupe displays its remaining battery power both on this outer screen and inside on its main screen, while the Jitterbug only flashes battery status on the screen if the battery reaches a certain low level, or if you navigate to a special “Phone Info” screen.

Behind the scenes, GreatCall’s Jitterbug phones run using networks set up by other carriers; I never had any trouble dialing out or receiving calls. A variety of calling plans can be used with Jitterbug phones ranging from $10 monthly for pay-as-you-go at 35 cents a minute to $80 monthly for 800 minutes. Add-on packages of minutes and sharing plans are also available.

If you’re familiar with cellphones, the Jitterbug will be a confusing step back for you, even though its free operator service and comfortable earpiece are pluses. Some people will prefer the Jitterbug’s larger fonts and number keys to the Verizon Coupe’s smaller, more stylish build. Still, the Coupe is a good option for people who have at least some familiarity with technology and cellphones. Each in its own way does a good job of sticking to the basic task of handling phone calls.

Edited by Walter S. Mossberg

Email mossbergsolution@wsj.com.

The Palm Centro

The two companies most often associated with corporate-issued devices, Research In Motion Ltd. and Palm Inc. are anxious to convert people like my friends. This week I tested Palm’s new attempt: the Centro (www.palm.com/centro). It looks like a hip, miniature version of the more expensive Palm Treo, with most of the same functions and only costs $99 after rebates and a two-year contract. The Centro comes in onyx and ruby, though the latter won’t be sold until next month.

Overall, I liked the Centro. It has plenty of pluses, including a touch screen, easy email set-up for personal accounts like Gmail and Hotmail, built-in instant messaging for three programs, a camera for still shots or video and expandable memory. It’s available now and runs on Sprint’s fast 3G network, costing at least $15 monthly for data on top of your voice plan. Like the Treo, it has a tiny stylus for detailed screen selecting and an on/off ringer switch.

RIM should be credited with introducing one of the first hip, mini smart phones to the demographic of 25-to-30-year-olds without smart phones. About a year ago, it brought out the $200 BlackBerry Pearl 8100, which is narrower than traditional BlackBerrys and is easy to mistake for a stylish cellphone. It uses a condensed keyboard with two letters per key that works using auto-correcting SureType technology, and has a glowing trackball for navigation.

For Palm’s Centro to compete with the Pearl, it, too, needed to be thinner left to right. But instead of doubling up letters per key and using SureType like the Pearl, the Centro has a shrunken version of Palm’s full keyboard; letter keys are squeezed so close together that large-fingered users will likely have trouble. I found the Pearl’s keyboard easier to use because its keys are flatter and larger compared with the Centro keys, which caused me to mistype messages. But the Centro’s tiny keyboard could be a real step up for people who still use their cellphone’s numbered keypad to type text messages.

The Centro’s touch screen saves time and makes navigation easier. The BlackBerry Pearl doesn’t have a touch screen, forcing users to do a lot of scrolling with the navigational trackball.

A success with the Centro would be much needed good news for Palm, which hasn’t had an easy go of it lately. While RIM has been cranking out more stylish BlackBerrys, Palm’s solid Treo hasn’t changed all that drastically in the past couple of years. Even loyal Treo users are starting to complain about Palm’s old operating system crashing. Of course, the popularity of Apple Inc.’s iPhone only rubs salt in the wounds of this once unstoppable company.

RIM will bring out a new Pearl, the 8130, next month to step up its game. This Pearl will be the same physically, but will have some internal changes, including the ability to work on the CDMA network, built-in GPS and upgraded software.

I tested a stylish ruby Centro and also got my hands on an early version of the BlackBerry Pearl 8130 from Verizon Wireless. Lined up side by side, the Palm Centro looks like a chubby version of the Pearl. The Pearl looks and feels sleeker and sharper than the Centro, due in part to the Centro’s rounded edges and tiny, bubble-shaped keys.

The Pearl is just a hair smaller in all directions — width, height and depth. The Centro is almost a full ounce heavier than the Pearl, but each weighs only 4.2 and 3.4 ounces, respectively. The Centro’s 320×320 resolution screen looks brighter than the Pearl’s 240×260 screen.

I focused on the Centro, setting up two personal email accounts on it in just a few minutes. I started out typing very slowly on the keyboard, which has keys made of a slightly sticky material. The more familiar I became with it, the faster I could go, but I’m still not completely comfortable using the keyboard.

I quickly navigated through the Centro’s menus using Palm’s familiar operating system. The touch screen saved me from arrowing around to select an icon or menu; I just tapped the screen using my finger or the stylus. First-time smart-phone users will appreciate this aspect.

I made calls on the Centro, pressing the phone shortcut key to get started. The keyboard’s number keys work just as they do on a Treo, but I preferred using the larger virtual buttons on the touch screen. The Centro felt like a normal cellphone in my hand and against my ear, especially compared with the clunky, rectangular Treos and BlackBerrys. The tiny Centro fit into the smallest purse I own.

An icon on the home screen marked “IM” linked me directly into a screen where I could log in to and use three instant-messaging programs simultaneously: AOL’s AIM, Yahoo Messenger and Windows Live Messenger. I jumped between IM sessions using the left and right navigation key buttons. But a faster way to do this was just by touching the screen to select a program. I also tapped the screen to select names of friends before IMing them. Again, the touch screen saved time and took out the guesswork of which key to press to navigate.

I played preloaded music on the Centro and BlackBerry Pearl; both have built-in speakers that sound remarkably good for such little devices.

Battery life on the Centro is estimated at 3.5 hours of talk time and up to 12.5 days of standby time. The Pearl 8130′s talk time is expected to fetch 3.8 hours before quitting, but its standby battery is expected to last only nine days. I didn’t perform rigorous battery tests, but found that my BlackBerry Pearl needed to be charged before my Palm Centro after a weekend of using them for roughly the same amount of time.

The BlackBerry Pearl 8130 comes with only RIM’s BlackBerry Messenger program. Both the Pearl and Centro have 64 megabytes of internal memory and the ability to expand that using microSD cards.

If you’re considering the leap from a cellphone to a smart phone but don’t want the bigger, geekier look of one of these helpful devices, the Palm Centro is a good option. Its keyboard will take some getting used to, but its touch screen will win you over by providing a simpler way to navigate — especially for smart-phone novices.

-Edited By Walter S. Mossberg

• Email mossbergsolution@wsj.com

This week, I tested three such replacement options: two keyboard sets that operate wirelessly using Bluetooth — the replacement for wires running short distances — and a stand-alone wired ergonomic keyboard made for touch typists who value comfort during long hours in front of a computer screen.

Top left: $150 Logitech Cordless Desktop MX 5000 Laser. Top right: $65 Microsoft Natural Ergonomic Keyboard 4000. $150 Microsoft Wireless Entertainment Desktop 7000.

The two wireless sets I used are Microsoft Corp.’s Wireless Entertainment Desktop 7000, which came out just a few months ago, and Logitech Inc.’s comparable but older Cordless Desktop MX 5000 Laser, which has been available for about a year and a half. Each costs $150. These keyboards have built-in shortcuts that make them handy to use on or off the desk when browsing through digital media like photos, videos and music.

I also tried Microsoft’s wired $65 Natural Ergonomic Keyboard 4000. It incorporates some shortcut buttons of its own, but stands out more because of its appearance: its keys are split into two groupings for right and left hands and each side slants upward in the center around an arch, forcing your hands to rest more naturally as if positioned to shake. The keyboard comes with a detachable wrist rest that raises your wrists a third of an inch above the rest of the keyboard.

Each product brought something slightly different to the table: The ergo offers comfort and functionality; the wireless Logitech has a multifunctional mouse and a keyboard with a built-in LCD; the wireless Microsoft shows off a sleek look and 17 touch-sensitive buttons. As a touch typist, I preferred Microsoft’s Natural Ergonomic Keyboard 4000 for its hand-relaxing setup and 13 shortcut buttons. I’m using it now to type this column, and my fingers have less distance to go before reaching a key than on a regular keyboard.

The basic functions of these keyboards/keyboard sets work out of the box on Mac and Windows operating systems, but their extra features work only after installing included or downloaded software, and neither the wireless Microsoft set nor the Logitech set will work on a Mac, period. Both companies claim that these products will work with Windows Vista, Microsoft’s newest operating system, but the ergonomic keyboard’s extra bells and whistles didn’t work properly on my Vista laptop.

I easily got the wireless Logitech and Microsoft keyboard sets communicating with their corresponding Bluetooth receivers on PCs and laptops. I pressed a Connect button on the base of each set’s mouse and keyboard before pressing the same button on the USB Bluetooth receiver and a few seconds later, I was in business.

The Microsoft and Logitech wireless desktops use USB plug-in Bluetooth receivers to connect the computer with the mouse and keyboard. Both mice operated on rechargeable batteries and must be docked occasionally for recharging, which is annoying — especially if you’re forgetful. But each will fully recharge in two hours, giving two and three weeks for the Logitech and Microsoft mice, respectively. Both mice get enough juice for a full day of usage after charging for 10 minutes.

Both keyboards use regular keys and a series of touch-sensitive buttons that work when you hover your finger over the intended button and touch it very slightly. Logitech’s touch-sensitive media buttons are relegated to the far left of its keyboard, including zoom and volume buttons that adjust with a finger flick up or down. Microsoft’s touch-sensitive keys line the entire top edge of its keypad.

Logitech’s wireless keyboard is about two inches wider than Microsoft’s, and for good reason: the Microsoft keyboard lacks a numeric keypad on its far right side, a feature that I missed. In place of the keypad are a set of directional buttons that mimic the basic functionality of a mouse. These let you push back from your desktop to browse digital photos while leaving your mouse on the desk yet still taking advantage of some of its functions.

The Logitech Cordless Desktop MX 5000 Laser keyboard uses a built-in LCD at the center top of its keyboard. This screen reflected the keyboard’s synching with my computer: it displayed my name, the date and the time. When I played music, the artist and song title scrolled across the screen. This could come in handy if you planned to constantly use the keyboard away from the PC. But in most cases, the content on the LCD wasn’t that helpful, and seemed repetitive of what was on the computer screen.

The Logitech mouse is sculpted to fit a hand and it offered more buttons for scrolling and navigation than the Microsoft set’s mouse. To recharge, this mouse fits upright in a stand. Microsoft’s wireless mouse recharges by lying flat on a recharging strip.

I used Microsoft’s Natural Ergonomic Keyboard 4000 with my desktop computers at work and in place of a small laptop’s squished keyboard. Its arched center and split keys took a little getting used to, but I was soon hooked. A special feature in the center of the keyboard called the Zoom Slider lets you zoom in or out to adjust the view of a screen. This worked for me in Microsoft Word documents, but not in Outlook Express or within Firefox’s browser.

Five large, numbered buttons at the center top of this ergo keyboard are called My Favorites, and I programmed them with ease by pressing one and entering the desired destination, including folders, browsers, or specific Web sites.

But typing on this keyboard really won me over. Its split setup won’t work for everyone, but for touch typists, it’s truly more comfortable. I typed away with ease using my right and left fingers, and keys felt closer together due to their inward-tilting shape. I noticed that I made fewer mistakes typing on this keyboard than on a regular keyboard.

If you spend a lot of time at a computer each day, you may want to consider one of these keyboards or keyboard sets for better ergonomics and production. It takes a little while to get used to using keyboard shortcuts for things like music and photos, but these can be real time-savers. Whatever you choose, know that there are other options out there beyond what came with your computer, and that they’re usually worth the extra money.

Edited by Walter S. Mossberg

• Email me at MossbergSolution@wsj.com. Find these columns online for free at the new All Things Digital Web site: solution.allthingsd.com.

Some devices, like Treos and full-size BlackBerrys, opt for the larger size and the keyboard, while others assume you’ll peck out email or Web addresses on a phone keypad.

I’ve been testing a new $295 smart phone from Helio, an upstart company based in Los Angeles, that provides an elegant solution to this design problem. It’s called the Helio Ocean and it can look like either a standard voice phone or a keyboard-equipped email and Web device, depending on which way you open its unusual two-way sliding mechanism.

The Ocean also has some very nice software touches to complement this clever hardware design.

It isn’t as slender as some of its competitors and it has a few downsides, but the Ocean is an innovative, thoughtfully designed smart phone that advances the state of the art. It goes on sale over the next week or so at helio.com and in some retail stores later this month.

Helio not only designed the Ocean, but the phone works on Helio’s own cellphone service, which runs on Sprint’s network at broadband speeds. It lacks Wi-Fi wireless networking.

Plans with unlimited data access range from $65 to $135 a month, depending on the number of voice minutes. For $145 a month, you can get unlimited data and minutes.

When closed, the Ocean is just a roomy screen with some buttons at the top and bottom of a black rectangular body with rounded corners. If you hold it vertically with the screen in portrait mode and slide the screen up, a standard phone keypad is revealed that you can hold to your ear when making calls, just as on a standard voice phone.

If you turn the Ocean horizontally so its screen is in landscape mode and slide it up, a full typing keyboard is revealed that puts you in a comfortable position to compose messages and surf the Web. All the main functions are available in both modes and you can use a headset in either mode.

The software is smart, too. When you physically switch the Ocean from one orientation to the other, the screen display switches between portrait and landscape modes automatically. If you answer the phone while in horizontal landscape mode and you aren’t using a headset, the call automatically is placed in speakerphone mode, because it would be clumsy to hold the Ocean to your ear in that configuration. If you slide the keyboard closed and switch to vertical mode, the call continues and the speakerphone is automatically turned off.

When closed, the Ocean looks a bit stubby but it’s actually slightly smaller in every dimension than a Treo 700 — although it gets larger when the keyboard is exposed.

Voice calls were clear and crisp, and the speakerphone function worked well. It was easy to add numbers to the address book.

From the main screen, you can just start typing anything and the Ocean will either search your address book for the characters you type or initiate a Web search. Web-search results are presented in multiple search engines, including Google and Yahoo, Amazon and Wikipedia, which are arrayed in tabs.

I found the keyboard easy to use and was able to attain good accuracy on it while typing with my thumbs. However, the space between the top row of keys and the bottom edge of the screen is a bit cramped; it took some adjustment to thumb-type well on that row of keys.

The Ocean comes preconfigured for all the major consumer email services, including Yahoo, AOL, Hotmail and Gmail. You can manually add others. The Ocean also supports Microsoft Exchange email.

Unlike a Treo or a Windows Mobile phone, the Ocean doesn’t allow editing of Microsoft Office documents. You can only view them as text files and, in my tests, even that didn’t work. Helio plans new software that would allow the documents to display properly.

Similarly, the Ocean works out of the box with a variety of instant messaging services, including AIM, Yahoo and Windows Live Messenger. It also has multiple media functions. It sports a two-megapixel camera with flash and decent built-in software for displaying photos, and playing music and videos. It also accepts memory cards for expanded storage.

You can simply plug the Ocean into a Windows or Macintosh computer and drag photos, songs and videos onto its internal memory or memory card, if they are in a supported format. But in my tests of this, some photos wouldn’t display properly and none of the album art showed up in my MP3 songs. Helio says the album art will show up if you use synchronization software on Windows, instead of simply dragging the files over.

Despite some limitations, the Helio Ocean is an impressive device that’s fun to use.

• Email me at mossberg@wsj.com. Find all my columns and videos online free at the new All Things Digital Web site, http://walt.allthingsd.com.