Twitter has been ordered by a U.S. federal judge to turn over documents related to several people involved with WikiLeaks to the Justice Department.

Tonight, a Twitter spokeswoman responded to a request for comment on the situation:

“We’re not going to comment on specific requests, but, to help users protect their rights, it’s our policy to notify users about law enforcement and governmental requests for their information, unless we are prevented by law from doing so. We outline this policy in our law enforcement guidelines.”

In an onstage interview I did with Twitter CEO Dick Costolo at a D@CES event last night in Las Vegas, he referenced the issue, but would not give any specifics.

While he said he could not talk about WikiLeaks specifically, he indicated that he disliked government mandates to keep things quiet and reiterated Twitter’s desire to connect people with useful information.

“We’re going to lash out at things that prevent us from doing that, as aggressively as we can,” said Costolo, who also used Twitter crackdowns in China as an example.

It might be a Herculean task to fight the federal government, which is aggressively going after WikiLeaks and its founder, Julian Assange.

Some Web companies, such as eBay’s PayPal unit, have cut off WikiLeaks.

On the other hand, Twitter took legal action to unseal the court order, which allowed it to inform those involved, giving them 10 days to object. Otherwise, the San Francisco microblogging service would have had to turn over information without the knowledge of these users.

There will surely be more of these to other Web companies, with obvious candidates being Google and Facebook.

The order from the U.S. District Court for the Eastern District of Virginia is ordering Twitter to fork over subscriber names, user names, screen names, mailing addresses, residential addresses and more of several people involved with WikiLeaks.

But you can read for yourself–here is the court order, as well as the unsealing order:

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First things first, for those emailing me frantically about getting into our D@CES onstage interview event later today at the Consumer Electronics Show in Las Vegas: We’re sold out and have a very long wait list.

That said, people in Sin City tend to flake out, so if you show up at the Marcello Ballroom at the Venetian Hotel at 3 pm, you might snag a seat, as people did last year at the same event.

No guarantees, but it’s a betting town, so you might want to do so.

And, if you throw craps, our crack All Things Digital staff will be posting photos, reports and video quickly.

I am hoping there will be some juicy news for them to chew on, as we interview three fascinating subjects:

Twitter CEO Dick Costolo, Nvidia co-founder and CEO Jen-Hsun Huang and Dean Hachamovitch, who heads the Internet Explorer browser team within the Windows unit at Microsoft.

Our latest event comes after our successful D: Dive Into Mobile conference, part of the D: All Things Digital juggernaut.

(Actually, it is more like a tiny red wagon, but it is really cool.)

This is our second D event at the CES, which is taking place this week.

Last year’s tech execs onstage were Palm CEO Jon Rubinstein, Netflix founder and CEO Reed Hastings and Google’s Android chief Andy Rubin.

As usual, our event will be focused on the consumer electronics arena, and the big trends impacting it.

The D@CES program is only this afternoon, with the new trio.

Costolo (pictured here), a longtime entrepreneur, took over from co-founder Evan Williams earlier this year and is charged with turning the microblogging service into a real, live boy, um, company.

Twitter is making a big push into the mainstream and also wants to be present for all the many devices shown at CES.

As noted before, I will be grilling Costolo. Well done, I hope!

Nvidia’s Huang (pictured here) is leading a big change for the company. Although known for its PC graphics chips, Nvidia is shifting an increasing amount of focus to other areas, such as mobile chips with its Tegra line.

Huang will be interviewed by Mobilized’s Ina Fried.

Walt Mossberg will take on Hachamovitch (pictured below), who heads the IE team at Microsoft.

Well known for sporting a different black shirt featuring a different saying made up of the IE logo and letters at every keynote speech, he has been at the software giant since 1990.

We thought bringing his voice was important, since Hachamovitch has been focusing on privacy using the browser, an increasingly key topic in tech.

So get ready for some fun–after all, it’s Vegas, baby.

“Our network will continue to keep pace with the growing demand,” said T-Mobile CEO Phillip Humm, who said the company is embracing its status as a challenger brand (marketing speak for “the little guy”).

T-Mobile used a press conference on Thursday to announce the network and show off the LG-built G-Slate tablet that it plans to introduce in the first half of the year. T-Mobile also said it expects to offer a 7-inch Dell Streak tablet in the coming weeks.The Streak has a dual-core Nvidia Tegra processor along with support for Adobe Flash and a Gorilla Glass screen. T-Mobile said it will be sold at a “consumer-friendly price,” but didn’t share details.

Humm told reporters that the company has now sold 900,000 devices that run on its HSPA+ network, which it bills as America’s largest 4G network.

“This proves the rapid adoption,“ Humm said, adding that the carrier expects to be offering more than 25 4G devices by the end of the year, ranging from smartphones to mobile broadband.

T-Mobile Chief Technology Officer Neville Ray showed a slide that he says shows that HSPA+ has a strong road map to get faster in the coming years, though he said that T-Mobile does believe in moving to LTE in the future when the time is right. (T-Mobile currently lacks the spectrum to build such a network, among other issues.)

Ray said that T-Mobile has been testing T-Mobile’s new HSPA+42 network in Las Vegas and said its average speeds are on par with those provided by Verizon’s LTE network, even before that network has much load on it.

This is going to be good.

The iconic singer and performance artist Lady Gaga will be appearing at the Consumer Electronics Show later today to unveil “creations” she came up with for Polaroid.

Gaga announced last year here that she had been named the creative director of Polaroid.

As part of the collaboration that will debut her Polaroid “Grey Label” project, Gaga said a year ago that she would be coming up with “prototypes in marrying the fields of fashion/technology/photography innovation.”

Oh, goody. Fishnet stockings that can post pictures to Instagram!

I am considering going to the event–as ordered to by the shy and retiring Hollywood agent Ari Emanuel.

But it will likely be a mosh pit of nerdy dudes, so I’ll need to frontload starting at 10 am.

And you can watch it on Polaroid.com at 3:30 pm PT.

Me, I’m a peppy, perky guy. Ask anybody! Still, if I were a gloomy Gus, I’d spend some time reminiscing about 2010′s Consumer Electronics Show, where I spent a bunch of time checking out:

• Hearst’s Skiff e-reader
• The Plastic Logic Que e-reader
• Palm’s new line of smartphones
• Keychest, a dizzingly dull rights-management scheme from Disney.

A year later, and they’re all gone: Either officially dead, or just pining for fjords, and very unlikely to perk up.

Not all of this stuff was vaporware, in the technical sense. Palm, at least, really did sell a few of those Palm Pre Pluses before it gave up and sold out to HP.

Still, an 0-for-4 experience like that is enough to make a humble media correspondent want to avoid checking out new technology altogether, and that’s basically what I’m going to do.

I might take a look at the UltraViolet media locker demo, but that’s about it. I’m headed to Las Vegas this morning* with the primary goal of talking to media people, many of whom live in New York, just like I do.

So yes, it might seem a little odd to head across the country to talk to people who live and work a few miles away, but there’s a logic to it. Trust me!**

And if you do want smart, incisive technology coverage, trust the rest of the All Things D team: Walt, Katie, Kara and Ina are on the ground already, and the rest of the gang is monitoring developments from their home bases. It’s good stuff!

*Not just because I enjoy being fashionably late, but because it was many hundreds of dollars cheaper to fly out today than earlier in the week. (And also because I’m old, and at my age every extra day you spend in Las Vegas is a dog year.)

**Totally not a boondoggle. Note the line about saving money on airfare, above.

Below, four of Martin’s bulletins, each one of them a taut little send-up of the conference commanding so much of our attention this week.

• At Vegas Consumer Electronics Show: electronic wired “voice” phone, with “touch” rotary dial surface. Weighs a ton. Wow factor. 3-D.
• At Vegas Consumer Electronics Show: Saw large wooden device that can fling boulders over castle walls. iPad killer.
• At Vegas Electronics Show: Pet “cat” that you feed and will “die” if you don’t. Also needs air, kitty litter. Gives birth and has feelings.
• Report from Vegas Consumer Electronics Show: Saw demonstration of “bow” modular unit that can direct an “arrow” into bale of straw “pad.”

The Motorola Xoom packs a 16-by-10 aspect ratio, a dual-core processor, 1080p playback and Flash support, and will run on Verizon’s network. Initially, the tablet will run on Verizon’s 3G network, but Motorola Mobility CEO Sanjay Jha said the Xoom that goes on sale in the first quarter of this year will be upgradeable to 4G by the end of the second quarter.

“The software is not completely done,” Jha said, adding that the hardware isn’t either.

Google Android boss Andy Rubin had briefly showed a prototype Motorola tablet at last month’s D: Dive Into Mobile conference and said that Honeycomb was being designed expressly with tablets in mind.

The Xoom, Wi-Fi Samsung Tab and G-Slate are in addition to the Toshiba, Asus and Vizio tablets announced earlier in the week.

Nearly all of these tablets are running some flavor of Android, though a handful of Windows 7 tablets are also being shown in Las Vegas.

However, the scene in Vegas offers a somewhat skewed view of the tablet market. Outside Sin City, the iPad is still the dominant player, while a number of tablet competitors expected soon have opted not to launch here. HP is having an event next month to focus on future webOS devices, while Research In Motion has said it will launch its PlayBook before the end of March.

Motorola also used some of its afternoon event to show off the Motorola Atrix 4G, a smartphone introduced at an AT&T event earlier in the day. It packs a fingerprint reader, a dual-core 1GHz processor, and the ability to dock to an 11-inch screen and keyboard to act as a mini-laptop, with eight hours of battery life.

When docked, the phone can power a full desktop version of Mozilla, including full Flash support, allowing for a PC-like experience all powered by the smartphone. AT&T Senior Vice President Jeff Bradley said it is too soon to say how much the device will cost, but promised the price will be competitive. Although AT&T has the U.S. exclusive on the Atrix, Motorola said it will be offered through Bell Canada and Orange UK.

In addition to the Atrix and Tablet, Motorola announced its first phone to run on faster LTE networks–the dual-core Droid Bionic, which is slated to arrive early in the second quarter on Verizon Wireless. Motorola also introduced the Cliq 2, an update to Motorola’s first Motoblur phone for T-Mobile.

Update 5:45 pm PT: As for timing, I confirmed that the Motorola Xoom is indeed the “lead device” for Honeycomb and will be the first on the market when it ships later this quarter. The LG model is slated to ship “in the coming months,” and other Honeycomb tablets will follow.

Google isn’t sharing a lot of new details on Honeycomb, but Rubin did make a short blog post and upload this YouTube video, which touts Google Talk video chatting, a specially designed YouTube App and access to Google Books.

“Many of Android’s existing features will really shine on Honeycomb: refined multi-tasking, elegant notifications, access to over 100,000 apps on Android Market, home screen customization with a new 3D experience and redesigned widgets that are richer and more interactive,” Rubin said in the blog post. “We’ve also made some powerful upgrades to the web browser, including tabbed browsing, form auto-fill, syncing with your Google Chrome bookmarks, and incognito mode for private browsing.”

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But also be prepared for many of these tablets to evaporate into pillars of dust (or at least be relegated to the dustbins of history).

A good corollary is the e-reader market. There were tons of e-readers at the Consumer Electronics Show last year. And indeed, the space has grown beyond the Kindle, but most of the market is divided between the Amazon e-reader and top competitors like the Nook, along with a lot of also-rans and a fair number of products that never made it out of the gate.

Here are some factors to separate the Ten Commandments and Rosetta Stones from the tablets that are just funny-shaped slabs of stone.

1. Distribution

It’s all well and good that Company X wants to sell a tablet, but it’s only got a chance if it can convince either some big retailers or some major carriers to stock it on their store shelves.

2. Software strategy and partnerships

A lot of the products being announced are from PC or cellphone makers just jumping into the next shape of the device. What makes tablets interesting isn’t their shape; it’s what they allow you to do. So far, that’s been largely the easy consumption of media and Web content, but there could be other compelling uses on the business side.

On the Android side, the version of the operating system matters as well. Andy Rubin has said that Honeycomb is designed with tablets in mind. Although Samsung has won plaudits for cramming an older version onto the Galaxy Tab, expect the bar to be raised by the first Honeycomb tablet, which many expect Motorola to show off at CES. Once it does, any tablet running an older version of Android may seem lackluster by comparison.

As for the Windows slates, you get the good and bad of Windows. On the plus side, such machines are highly compatible with other PC software. However, Windows (even the more touch-friendly Windows 7) doesn’t really shine without a keyboard and mouse nearby, and Windows machines don’t get the battery life seen by the iPad and other ARM-based devices. Microsoft is expected to show Windows running on ARM at CES, but that software and any tablets running it are still many months, if not years, off.

In any case, if the software and services aren’t good, all you have is a computer that is missing its keyboard. Remember, there have been slate computers on the market for years.

3. Timing

There are a lot of announcements coming at CES, but first to announce doesn’t mean first to market. A key question for all these new entrants is just when one will be able to buy their precious tablets. Toshiba, for example, said its Android-powered tablet won’t be out until the summer.

Also, not all the major players are sharing their plans at CES. But some of the tablets that are introduced after this week will still beat some of the CES-announced products to market. RIM’s PlayBook is scheduled to be out by March, while HP has scheduled a Feb. 9 event in San Francisco to talk about its webOS plans.

4. Price

A low price won’t make a product a success, but too high of a price can doom it to failure. The iPad is the barometer here, so companies know the price they have to beat.

5. The iPad

There wasn’t a consumer market at all for these devices until the iPad came and created it. It still dominates the market and is likely to do so for some time. While there is probably room for some non-iPad competitors, all tablets are going to be compared to Apple’s.

So any would-be rival needs to have some sort of leg up on the iPad. The most frequently seized upon shortcomings are the lack of Flash support and USB ports, but there are other opportunities.

Still, not only is the iPad not going away–it’s likely to get some enhancements in fairly short order. The products that sound good in Las Vegas might have lost their luster by the time they come to market (if they make it that far).