Blue Coat Systems Inc. of Sunnyvale, Calif., says it shipped the Internet “filtering” devices to Dubai late last year, believing they were destined for a department of the Iraqi government. However, the devices — which can block Web sites or record when people visit them — made their way to Syria, a country subject to strict U.S. trade embargoes.

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When the selling of Myspace winds down in the next week or so, it’ll probably attract a spate of comments about what a failure the whole social networking enterprise turned out to be.

And — especially when you recall what a Web phenom the social networking site was before it got blown out of the water by Facebook — it was.

That is, unless you think of the mob of former execs who have worked at the company over time, many of whom have moved on to some more golden opportunities after leaving the News Corp.-owned property.

That includes, most recently and notably, former sales head Michael Barrett, who is about to score big as CEO of AdMeld, which is reportedly in the process of selling to Google for $400 million.

Also a big winner: Former Myspace CEO Owen Van Natta, who was fired from that job in one of its many putsches and who quickly rebounded to a top job at online gaming powerhouse Zynga.

So, while it is one of the more overused memes of Silicon Valley, the “mafia” analogy — which has been applied to fertile entrepreneurial breeding grounds such as PayPal, before its acquisition by eBay — is useful when thinking about Myspace.

It is also a good thing to keep in mind about any tech company that goes off the rails: There might still be a silver lining, even if the start-up never sees the light of day again.

As proof, herein is a list I created after pinging a bunch of former Myspace folks:

Jason Oberfest: Former SVP of business development. Now, VP Ngmoco, which was sold to Japanese gaming giant DeNA for $400 million last year.

Dmitry Shapiro: Former CTO, Myspace Music. Now, at Facebook competitor Altly.

Adam Bain: While at Fox Interactive Media, he ran the ad platform for Myspace. Now, head of sales at Twitter.

Jeff Berman: Former president of sales and marketing. Now, GM of the NFL’s digital media unit.

Jason Hirschhorn: Former co-president and chief product officer. Now, on MGM board, angel investor, and there are rumors of him working on a curation start-up.

Amit Kapur: Former COO. Now, CEO, Gravity, an information filtering service start-up.

Chris DeWolfe: Co-founder and former CEO. Now, CEO, MindJolt, an online gaming roll-up.

Ross Levinsohn: Former president of FIM, he was integral to buying Myspace. Now, EVP of Americas unit, Yahoo.

Mike Lang: Former News Corp. strategy exec also involved in Myspace purchase. Now, CEO, Miramax.

Aber Whitcomb: Former CTO. Now CTO, MindJolt.

Jim Heckman: Former chief strategy officer of FIM. Now, CEO of 5to1, recently sold to Yahoo for $25 million.

Dani Dudeck: Former communications head. Now, PR head at Zynga.

Travis Katz: SVP of international. Now, CEO of Gogobot, a social travel start-up.

Richard Rosenblatt: Former CEO of Intermix Media and Chairman of Myspace, he sold it to News Corp. Now, CEO of Demand Media.

Angela Courtin: Former SVP of marketing. Now, EVP at Aegis Media.

These folks should be on the call list of whoever ends up buying Myspace. Last week, I wrote that an investor group, including Activision head Bobby Kotick, is now in the lead for the deal.

As an update, according to sources, Kotick has gotten clearance from Activision’s major shareholder Vivendi to do the Myspace transaction as a passive personal investment.

A Japanese government panel said Monday it requested Apple’s Japan unit and its sole official distributor Softbank Corp. to improve the iPhone filtering system to prevent users under 18 year old to access unseemly sites.

The panel, comprising industry experts, deemed the current filtering service to be insufficient based on the edicts outlined in Internet safety law for young people implemented in April 2009.

The measure requires mobile phone operators to provide free filtering programs to limit access to websites not considered “wholesome.” The regulation targets social networking sites that do not apply their own internal monitoring systems in light of increasing incidents of cybercrime and offenses rooted in young people meeting suspicious characters online.

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Today Gravity is unveiling its plans to be an information filtering service. The idea is to combine social and semantic understanding of users to identify content they are likely to be interested in.

The Santa Monica, Calif.-based company is demoing this idea as a personalized newspaper app called The Orbit (to be released soon). The Orbit takes a user’s Twitter account and computes the topics a person is interested in and the network she is connected to. For any one Web page, Gravity might look at how recent it is, how popular it is, how relevant it is to a person’s interest and how many of that person’s friends have shared it.

Eventually, said Gravity CEO Amit Kapur, the company wants to offer personalization services to publisher sites. So when I go to the New York Times with Gravity enabled, for example, I would be able to get a view of the site’s content that’s weighted to what I am likely to be interested in.

I think that’s an awesome idea (though I do appreciate the roles of editorial curation and serendipity in bringing me my news). This is similar to what Facebook is trying to do with its controversial Instant Personalization product, where a user logged in to Facebook arrives at a new site that already knows who his friends are.

The problem is, what Gravity is setting out to do–both the natural-language processing and computational side, and the nitty-gritty of integrating into other peoples’ Web sites–is really freaking hard. And, no offense guys, but the Gravity team’s big experience to date was working at Myspace–not exactly a pinnacle of technical achievement.

When the company briefed me on what it was doing, it prepared a poster-size personal interest graph based on analysis of my Twitter account (that’s it at the top of the post; click to enlarge). Well shucks, guys–it seems to be just a bunch of words and topics I’ve mentioned in Tweets over the last few years, connected by lines. Doesn’t really convince me that you understand that much about me and what I want to read.

Still, Gravity has quite a bit going for it: A good idea, and $10 million from top investors at Redpoint Ventures and August Capital, plus advising by machine learning and computational linguistics professors at Stanford and UC Berkeley.

At the St. Regis hotel in San Francisco, Mark Zuckerberg says young people say email is too slow. They prefer Facebook or SMS.

Zuck: IM or SMS are much simpler, and people want lighter-weight things that they can use all over the place. So we need…a modern messaging system.

350 million people actively use messaging on Facebook, in part because it’s really simple. Four billion messages are sent per day. This is “private, private sharing.”

Next-generation messaging would be: seamless, informal, immediate, personal, simple, minimal and short. (Those are a lot of synonyms, no?)

“This is not email. Email is one way that people will use this system, but it’s not even the primary way we think they will use it.”

Now a three-panel slide is up showing the key topics of the announcement–”seamless messaging,” “conversation history” and “social inbox.” Zuckerberg promises, “We can do some really good filtering for you to make sure you only see messages you really care about.”

Zuck brings on Andrew Bosworth to demo the product.

So this is actually a relaunch of the “Messages” tool. Not email-specific. Takes all correspondence between two friends and puts them in one place.

Everyone gets an @facebook.com email address with their username. “As much as we’re providing an email address, the system’s not email,” says Boz–more like instant messaging.

Boz uses convo about dinner plans as an example, with messaging across different platforms, including IM on Facebook, email, iPhone notifications, etc. The example restaurant is Piccino in San Francisco, where, fun fact, I was for a short time the Foursquare mayor. No longer though.

Integrates with Jabber, IMAP and one more I missed. (Sorry, first time liveblogging with this tool!)

Boz shows the history of Facebook messages with his girlfriend of the last four years. But doesn’t include their instant messages and other communication. Individual messages may not be profound, but collectively they provide a narrative about someone I care about, says Boz.

Facebook rebuilt infrastructure for this project, because it’s especially important that messages don’t get lost.

Instead of Cassandra (which FB created for email search and then open sourced), the company chose something new: HBase. They also used Haystack, Thrift, ZooKeeper and memcache.

This is the biggest engineering team Facebook has ever put together for a launch–15 people, Boz says.

Users have three categories: 1) Messages: Conversations with actual people. 2) Other: Email lists and the like. And 3) Junk.

The big idea is “picking up where you left off” no matter what device or medium.

This project has been in the works for the last 15 months.

Zuck: “This is not an email killer. This is a messaging system that includes email as a part of it. We don’t expect anyone to wake up tomorrow and say, I’m going to shut down my Yahoo account or my Gmail account and switch to Facebook.”

(Read: You silly press, we’re not competing with Gmail, we’re bigger than Gmail!)

Rolling out slowly over the next few months, starting with an invite system (ha! how Gmail!).

Oh, about IMAP: No support yet, so users can’t synch with other email systems. But Facebook wants to add later.

Interesting: Facebook messages won’t have subject lines. You just have a single messaging history with each person.

If you have been interacting with someone through email, then we’ll send replies back to email. You can indicate that you want a message to go directly to their phone. If you’re online, you get a message as an IM.

Boz: This is the end of “BRB” or “GTG.” Follows you wherever you go. (Sounds ominous when you say it like that.)

Question from audience: Will you add voice or video?

Zuck: For now only SMS, IM, email and FB messages–all are text. “We think this is a pretty big step by itself, and one we just wanted to take before we get started on the next set of things.”

Question from audience: Will you have contextual ads?

Zuck: Yes, ads work the same as on the rest of Facebook, but not targeted specific to content in a message.

Zuck on Gmail competition: “They have a great product. Email is still really important to a lot of people. If we build a great product that people want to use, then people will use it.”

Question from audience: Can users go off the record like in Gmail?

Boz: Users can delete any message.

Zuck: Off the record like in IM doesn’t make sense because users may be receiving messages in a different way than you send them. If someone gets something in email instead of IM it would be unnatural to have it off the record.

Question: How will this treat communication with people who are not on Facebook?

Boz: You can communicate with whoever you want to, and will have access to all that history of the conversation.

Zuck: If you’re not a part of the FB system and outside the social graph, your emails to FB users will go into “Other” folder to start off with, rather than the main. Once the recipient says you’re an important person, you’ll go into the main folder.

Question: What about silly joke emails from your mom? Can you filter those?

Zuck: There’s only one thread with every person.

Question: What about Facebook employee email addresses?

Zuck: “After a long discussion, the Farm Bureau has agreed to give us fb.com. And in the terms of that we have agreed not to sell farm subsidies.”

Facebook hasn’t mentioned this, but Microsoft just emailed to make sure people know they’re involved.

“As part of Facebook’s new messaging system: http://apps.facebook.com/facebooklive/ –Microsoft is integrating the Office experience. Over the coming months, customers will be able to access and share Microsoft Word, Excel and PowerPoint documents as attachments to their Facebook messages. Sharing new ideas, key points of inspiration and important information just got easier–even when the need to access or share that content strikes in the middle of your latest status update.”

Question: Can you fill in the blanks of associating email addresses with Facebook friends?

Boz: Not yet, but it’s imaginable.

(Uh-oh–how is this going to work when people have multiple contacts for themselves?)

Question: Storage?

“If you’re a good user, you have no concern. For people who try to find limits, they will find them.” Another ominous comment from Boz.

Okay, they’re cutting us off.

Here’s the Facebook blog post on the announcement.

Please see the disclosure about Facebook in my ethics statement.

Well, it took Microsoft long enough to update the features of Hotmail, which the company is announcing this week.

Some new doodads include better filtering, more social integration, lots of multimedia content, such as photo slideshows and–perhaps most importantly–the ability to use Microsoft Office software documents like PowerPoint within the online email service.

It’s a wonder it took so long for Microsoft (MSFT) to upgrade and innovate–Dear Windows Live Hotmail team, conversation views in email is not new to anyone but you–the service, although it remains No. 2 after Yahoo (YHOO) Mail. Google (GOOG) Gmail is third.

Microsoft, which blogged about the changes here, has called the whole shebang of releases in its Window Live services “Wave 4.”

Wave 3, um, was in 2008.

Still, here is a very good Microsoft video about it all, though I am not sure what’s up with the orange-dot lady:

It’s not yet clear whether Beijing delayed the order because PC makers were having trouble supplying all new machines with the program or in reaction to the international outcry over it. In a letter to Chinese Premier Wen Jiabao last week, an international group of business associations that includes most of the world’s major technology companies, called upon China to abandon the plan, which it said “raises serious concerns for us and seems to run counter to China’s important goal of becoming a vibrant and dynamic information-based society.”

“According to complaints from many residents, Google’s English language search engine has spread large amounts of vulgar content that is lascivious and pornographic, seriously violating China’s relevant laws and regulations,” foreign ministry spokesman Qin Gang told a regularly scheduled news conference. “I’d like to stress that google.com, as an Internet enterprise providing services in China, should earnestly abide by Chinese laws and regulations.”

The disruption of Google (GOOG) services follows a widely criticized mandate from Beijing requiring all computers sold in the country to include Green Dam, an application designed to prevent citizens from viewing “offensive” content, which in the Chinese government’s case includes all manner of material. From a report by the Open Net Initiative, an academic consortium dedicated to the study of censorship and surveillance:

The version of the Green Dam software that we tested, when operating under its default settings, is far more intrusive than any other content control software we have reviewed. Not only does it block access to a wide range of web sites based on keywords and image processing, including porn, gaming, gay content, religious sites and political themes, it actively monitors individual computer behavior, such that a wide range of programs including word processing and email can be suddenly terminated if content algorithm detects inappropriate speech. The program installs components deep into the kernel of the computer operating system in order to enable this application layer monitoring. The operation of the software is highly unpredictable and disrupts computer activity far beyond the blocking of websites.

…The deeply intrusive nature of the software opens up several possibilities for use other than filtering material harmful to minors. With minor changes introduced through the auto-update feature, the architecture could be used for monitoring personal communications and Internet browsing behavior. Log files are currently recorded locally on the machine, including events and keywords that trigger filtering. The auto-update feature can used to change the scope and targeting of filtering without any notification to users.

Last Tuesday, at around 5 PM, Internet users across mainland China began reporting problems accessing popular social networking sites, such as Twitter.com, the Yahoo (YHOO)-owned photo-sharing site Flickr.com, and Microsoft’s (MSFT) Live.com, Bing.com and Hotmail. The sudden unavailability of these sites led many Internet users to suspect that they had been blocked due to sensitivities over the 20th anniversary of the Tiananmen Square crackdown on June 4. And on Wednesday, dozens of Chinese Web sites also announced that they would be closed for technical maintenance for several days.

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To clear things up, I’ve put together a basic Twitter guide that explains how to use it, Twitter lingo, privacy options, mobile applications that can be used with the service and problems that it has. Let’s get started.

Twitter limits social-networking updates to 140 characters or less. The service is surprisingly useful, but leaves room for improvement.

What is it? In short, Twitter is a free social-networking tool that keeps people connected with one another and with sources of information. Twitter users submit updates about whatever they’re currently doing, and these updates cannot exceed 140 text-based characters.

Lingo: Twitter is the name of the service. The term twittering describes the activity of updating a Twitter account. A tweet is an individual Twitter update. Twitterers are people who use the service.

Followers, not Friends: Social-networking sites like Facebook and MySpace use the term “friend” to refer to people who are connected with one another, but Twitterers can simply follow one another’s messages by finding a person’s username and selecting a “Follow” option. This alerts the person that you’re following them, and they can reciprocally choose to follow you, or not.

Why use it? While some people primarily use Twitter to post updates about their activities or comments on the news, I use the service more as a follower, allowing me to see quick snippets of news as it occurs. Most tweets are written by real people, while others, such as updates from news organizations that you’ve selected, are automatically generated. Many tweets include the addresses of Web sites with relevant articles that tell readers more on a topic.

Where is it? Twitter works on your Web browser at Twitter.com, where user updates appear in a simple list form as they are submitted. After you’ve signed up and started following other people, those people’s updates, or tweets, will appear when you log onto Twitter.com using a username and password.

Twitter also works on mobile phones, where the 140-character limit allows messages to be sent and received via SMS text messaging. Tweets can also be sent and received via email. Users with smartphones like BlackBerrys or iPhones can use one of the many popular mobile applications for accessing Twitter, which offer much richer options than simple SMS does; I’ll get into these later.

Privacy: Unlike other social-networking sites such as Facebook, Twitter isn’t focused on holding and sharing personal information about its members. Indeed, the service operates with a majority (80%, according to the company) of users opting to keep their updates public, that is, follow-able by anyone, without permission. This openness encourages people to follow one another or to see who others are already following, and then follow the same people.

However, users can opt to protect their updates, meaning they must grant permission for others to follow them. If you’d like to sign up for Twitter, but aren’t comfortable putting your first and/or last name on the site, you don’t have to; instead, just tell others your username.

Twitter Page Personalization: Each user has a Twitter page showing all of his or her updates, or tweets. (Mine is twitter.com/kabster728, and you can follow me.) This page also shows the number of people a user follows, how many people follow her and how many total updates she has posted.

Twitterers can customize their Twitter page by uploading a photo to be used as the background. The icon representing each user can also be personalized, and this is important because it appears beside that person’s tweets on Twitter.com, where followers recognize and appreciate its familiarity. Some people, including me, use pictures of themselves as their icons, while others use random shots.

Apps/Clients: Twitter works on any browser, and will also work on a mobile browser. If you have a mobile device like the BlackBerry or iPhone, you can jazz up the experience by downloading a third-party app like TwitterFon, TwitterBerry, Tweetie or Twitteriffic. Twittervision, another mobile app, plots points on maps to show where tweets originated. Desktop clients also abound, including Twhirl and TweetDeck. Twitterfeed will set your blog to automatically post content to Twitter.

@Replies, Direct Messages: Each tweet that appears in your Twitter feed can be replied to using a shortcut arrow that appears beside the tweet, and these responses to tweets are called @Replies. So if JoeSchmo tweets to say he saw the new James Bond movie and hated it, you can reply to this with a tweet of your own that says, “@JoeSchmo I still adore Daniel Craig.” These @Replies appear for everyone to see, and must start with @ plus the username of whomever you’re responding to.

Direct Messages differ from @Replies because they can be sent only between people who are following one another. These messages aren’t posted publicly. They appear on your Twitter.com page in a right-side section labeled Direct Messages and will also be sent to your mobile device if you have one registered with Twitter.

Favorites: If you read a tweet that you really like, you can save it as a favorite by selecting a small star beside the tweet, thus adding it to a Favorites section on your homepage. Anyone can see anyone else’s Favorites, regardless of whether or not they’re following one another.

Problems: Twitter’s bare-bones approach gets to the point quickly, displaying tweets in a simple, quick-read format. But the site is lacking in many areas. It used to enable searching for people on Twitter, but that capability is currently down. Now, to search for friends on Twitter, you must upload your email contacts from a Web-based mail service. The company says it plans to have people-search working again by the end of the year. Meanwhile, search.twitter.com enables keyword or location searches.

Twitter lacks the ability to sort tweets according to what the user wants. If I just want to see tweets from real people and not those that are automatically generated, I’m out of luck. Same goes if I want to keep certain friends’ tweets in a prominent place on my homepage; Twitter has no way of doing this.

Twitter users aren’t notified when someone responds to their tweet with an @Reply. I recently happened to look at @Replies on my Twitter homepage and found three from people who follow me (I don’t follow them).

If you’re adding a Web address to a tweet and the characters in the URL take up too much space, Twitter will automatically use TinyURL behind the scenes to shrink your long link into a shorter one when you post your tweet. But this works only if you have enough remaining characters in your tweet to fit the long version of your link. A built-in TinyURL converter on the page would help immensely.

Twitter says it’s working to make @Replies more effective. It also says it plans to do more with filtering and sorting, so that the Twitter interface is more useful. In the meantime, Twitter does a good job of giving people simplified news about others and the world around them. If you’re often in a rush, Twitter can be a great resource for fast information.

Edited by Walter S. Mossberg

• Email us at mossbergsolution@wsj.com. Find this and other columns and videos online free at the All Things Digital Web site: http://walt.allthingsd.com

That’s a good question to ask in light of FBI Director Robert Mueller’s call for “omnibus” Internet surveillance. In testimony to the Judiciary Committee of the House of Representatives on Wednesday, Mueller suggested legislation be passed that would give the bureau the right to monitor the Internet at the backbone level.

Said Mueller: “I think legislation has to be developed that balances on one hand, the privacy rights of the individual who are receiving the information, but on the other hand, given the technology, the necessity of having some omnibus search capability utilizing filters that would identify the illegal activity as it comes through and give us the ability to preempt that illegal activity where it comes through a choke point as opposed to the point where it is diffuse on the Internet.”

Shades of Carnivore, right? The “choke point” to which Mueller alludes is presumably the National Security Agency, which has been probing the data passing through the Internet backbone like some Orwellian spinal surgeon. Which is a little frightening. Because the packets of data being passed back and forth over the Internet don’t come prelabeled. There’s no “ILLEGAL ACTIVITY” designation. It’s just activity, and Mueller would apparently like permission to survey it all.

While respecting the privacy rights of the individual, of course. Thoughtful.

That’s a good question to ask in light of FBI Director Robert Mueller’s call for “omnibus” Internet surveillance. In testimony to the Judiciary Committee of the House of Representatives on Wednesday, Mueller suggested legislation be passed that would give the bureau the right to monitor the Internet at the backbone level.

Said Mueller: “I think legislation has to be developed that balances on one hand, the privacy rights of the individual who are receiving the information, but on the other hand, given the technology, the necessity of having some omnibus search capability utilizing filters that would identify the illegal activity as it comes through and give us the ability to preempt that illegal activity where it comes through a choke point as opposed to the point where it is diffuse on the Internet.”

Shades of Carnivore, right? The “choke point” to which Mueller alludes is presumably the National Security Agency, which has been probing the data passing through the Internet backbone like some Orwellian spinal surgeon. Which is a little frightening. Because the packets of data being passed back and forth over the Internet don’t come prelabeled. There’s no “ILLEGAL ACTIVITY” designation. It’s just activity, and Mueller would apparently like permission to survey it all.

While respecting the privacy rights of the individual, of course. Thoughtful.

There are tools for dealing with the problem, most commonly, filtering software that attempts to bar sexual, violent and other objectionable material. But these can frustrate kids and parents, by either blocking too many things or not blocking enough.

Avatars help guide users

Some other approaches, such as the parental controls built right into the latest Windows (MSFT) and Macintosh (AAPL) operating systems, offer parents more control by allowing them to specify what Web sites a child can access. But that requires close and constant involvement by the parent as the child seeks access to more Web sites.

This week marks the launch of a parental-control service with a somewhat different approach. It’s called KidZui, and it aims to offer kids a safe subset of the Internet where they can roam freely without triggering parental worry. KidZui, for children ages 3 to 12, hopes to emphasize the positive, rather than the negative.

The service, from a San Diego company of the same name, claims to encompass 500,000 safe sites, photos and videos, ranging from pop culture to science, comics and games to history. You can watch the latest “American Idol” contestant, learn about dinosaurs, delve into history or visit popular kids’ sites, such as Webkinz and Club Penguin.

The sites, photos and videos included in KidZui are approved by a team of about 200 parents and teachers across the country, and are ranked by age, so that a site that might be right for an 11-year-old isn’t served up to a 4-year-old.

While a child can establish a list of friends in KidZui, and can share content with them, there is no instant-messaging or email function.

KidZui isn’t free, and it can’t be accessed via a regular Web browser. Instead, you must download a special KidZui browser, from kidzui.com, that runs on either Windows or Macintosh computers. I tested it on both platforms, and it downloaded quickly and installed smoothly.

The service nominally costs $99.95 a year, or $9.95 a month, but there is a 30-day free trial and an introductory rate of $49.95 a year, or $4.95 a month. It has no ads, other than those already present on Web sites kids visit.

A key selling point of the service is that busy parents can simply set up KidZui and trust that their kids will be safe online. To that end, the program can be optionally configured, so that a child can’t escape from it to use the computer’s standard browser, for example. A parent can set KidZui to launch when the computer starts up, in full-screen mode. In this mode, KidZui automatically disables or hides the common keystrokes, icons, commands and techniques that allow users to switch to, or to start up, other programs.

In addition, when KidZui is running in this locked-down mode, the child can be barred from quitting KidZui without a parent’s password. In my tests over the past week, I found some loopholes in this lockdown system, but the company plugged each leak I turned up. I can’t swear that a clever kid won’t be able to escape from KidZui, but the program blocks most obvious exits.

Inside the software, the company has tried to create a fun, lighthearted world. Each child is represented by a “Zui,” a cartoon-like character that can be customized with hair, clothing and other features. There are lots of sound effects, and kids can rate content with illustrated tags ranging from “best” and “cool” to “boring” or “gross.”

When a child types in a term like “ocean” KidZui offers a list of related terms as well, to guide further exploration. If a child types in a search term or a Web address that has been banned from the KidZui universe, a message appears saying “This page isn’t available on KidZui, but your parents can add it for you.” This applies not only to terms typed into KidZui’s own search bar, but also to terms a child enters at sites like Wikipedia or in the search boxes embedded in other sites. The main pages of Google and Yahoo can’t be summoned.

If a search or Web address is new to KidZui, a different message appears promising that it will be reviewed.

I did find some holes in this system. For instance, I was able to get to The Wall Street Journal’s Web site and do an internal search on “Spitzer,” which turned up a story on the former New York governor’s sex scandal.

Parents can get detailed reports about the KidZui activities of each of their children and can tweak the content they can see by adding specific types of material, such as “athletic violence,” and approving or blocking specific Web sites.

For parents who want to allow limited Web use by their young children without constantly micromanaging their online activities, KidZui may be worth a try, but don’t expect it to be perfect.

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.

Why would anyone agree to such a thing? For their personal enrichment, of course. “I don’t think you can estimate the educational benefit of these things. … A lot of this is basically letting people know that what they’re doing is not OK,” Sherman reasoned. “And for a lot of people that makes a difference in their behavior.”

A bit of stretch, even for Sherman, as Ars Technica aptly notes: “Filtering as a concept is ultimately doomed by encryption unless the ‘filters’ simply block entire protocols altogether, and talking about the consumer benefits of installing RIAA-approved filtering software is just another sign of how ludicrous the entire debate has become.”

Why would anyone agree to such a thing? For their personal enrichment, of course. “I don’t think you can estimate the educational benefit of these things. … A lot of this is basically letting people know that what they’re doing is not OK,” Sherman reasoned. “And for a lot of people that makes a difference in their behavior.”

A bit of stretch, even for Sherman, as Ars Technica aptly notes: “Filtering as a concept is ultimately doomed by encryption unless the ‘filters’ simply block entire protocols altogether, and talking about the consumer benefits of installing RIAA-approved filtering software is just another sign of how ludicrous the entire debate has become.”

According to the International Federation of the Phonographic Industry’s 2008 Digital Music Report (PDF), global digital music sales rose to $2.9 billion in 2007, up from $2.1 billion in 2006.

Now that 40% increase isn’t nearly the doubling of digital sales we saw in 2006, but it’s not insubstantial, either. Especially when one considers that digital sales grew to account for 15% of the world’s music market, up from 10% in 2006. That means that almost a sixth of music sales already come through digital channels. This despite five or so years of the recording industry’s Keystone Kops approach to the digital music revolution.

All things considered, things aren’t going too poorly–even if the growth of digital music sales hasn’t yet offset declines in physical music. That being the case, it’s difficult not to look askance at the IFPI’s calls for governments and Internet service providers to take a hard line against file-sharing.

“Copyright theft has been allowed to run rampant on [ISP] networks under the guise of technological advancement,” IFPI Chairman and CEO John Kennedy wrote in the report. “Some estimates say no less than 80% of all Internet traffic comprises copyright-infringing files on peer-to-peer networks.”–80%? Does the IFPI suffer from the same math disability as the MPAA?–”ISPs have largely stood by, allowing a massive devaluation of copyrighted music. This in turn–and despite all the positives about our digital growth–has prompted a crisis in recorded music that has wide implications for the whole digital marketplace and all those businesses to whom music is an important ingredient. … Today, however, a sea-change is happening. The whole music sector, governments and even some ISPs themselves, are beginning to accept that the carriers of digital content must play a responsible role in curbing the systemic piracy that is threatening the future of all digital commerce. After years of discussing and debating, I am convinced it is no longer a question of whether the ISPs act–the question is when and how.”

And the answer? Five bucks and a copy of the latest Britney Spears album says it’s network-level filtering.

According to the International Federation of the Phonographic Industry’s 2008 Digital Music Report (PDF), global digital music sales rose to $2.9 billion in 2007, up from $2.1 billion in 2006.

Now that 40% increase isn’t nearly the doubling of digital sales we saw in 2006, but it’s not insubstantial, either. Especially when one considers that digital sales grew to account for 15% of the world’s music market, up from 10% in 2006. That means that almost a sixth of music sales already come through digital channels. This despite five or so years of the recording industry’s Keystone Kops approach to the digital music revolution.

All things considered, things aren’t going too poorly–even if the growth of digital music sales hasn’t yet offset declines in physical music. That being the case, it’s difficult not to look askance at the IFPI’s calls for governments and Internet service providers to take a hard line against file-sharing.

“Copyright theft has been allowed to run rampant on [ISP] networks under the guise of technological advancement,” IFPI Chairman and CEO John Kennedy wrote in the report. “Some estimates say no less than 80% of all Internet traffic comprises copyright-infringing files on peer-to-peer networks.”–80%? Does the IFPI suffer from the same math disability as the MPAA?–”ISPs have largely stood by, allowing a massive devaluation of copyrighted music. This in turn–and despite all the positives about our digital growth–has prompted a crisis in recorded music that has wide implications for the whole digital marketplace and all those businesses to whom music is an important ingredient. … Today, however, a sea-change is happening. The whole music sector, governments and even some ISPs themselves, are beginning to accept that the carriers of digital content must play a responsible role in curbing the systemic piracy that is threatening the future of all digital commerce. After years of discussing and debating, I am convinced it is no longer a question of whether the ISPs act–the question is when and how.”

And the answer? Five bucks and a copy of the latest Britney Spears album says it’s network-level filtering.

Understandably embarassed by Wood’s achievement, the Australian government began distributing a second filter. Wood cracked that one in 40 minutes. This time the government had only rhetoric to offer in response. “Sadly, just as a seatbelt will never prevent every fatal car crash, as the government has always maintained, no filter is foolproof,” said Communications Minister Helen Coonan. “But a computer with a filter is infinitely safer than one without.”

“While filtering and monitoring technologies help parents to screen out offensive content and to monitor their child’s online activities, the use of these technologies is far from universal and may not be foolproof in keeping kids away from adult material,” Inouye said. “In that context, we must evaluate our current efforts to combat child pornography and consider what further measures may be needed to stop the spread of such illegal material over high-speed broadband connections.”

“Given the increasingly important role of the Internet in education and commerce, it differs from other media like TV and cable because parents cannot prevent their children from using the Internet altogether,” Stevens said. “The headlines continue to tell us of children who are victimized online. While the issues are difficult, I believe Congress has an important role to play to ensure that the protections available in other parts of our society find their way to the Internet.”

“While filtering and monitoring technologies help parents to screen out offensive content and to monitor their child’s online activities, the use of these technologies is far from universal and may not be foolproof in keeping kids away from adult material,” Inouye said. “In that context, we must evaluate our current efforts to combat child pornography and consider what further measures may be needed to stop the spread of such illegal material over high-speed broadband connections.”

“Given the increasingly important role of the Internet in education and commerce, it differs from other media like TV and cable because parents cannot prevent their children from using the Internet altogether,” Stevens said. “The headlines continue to tell us of children who are victimized online. While the issues are difficult, I believe Congress has an important role to play to ensure that the protections available in other parts of our society find their way to the Internet.”

Indeed, with the sophisticated filtering techniques available today, it’s a simple matter for repressive regimes to, say, disrupt access to opposition media at strategic moments during and after a presidential election, or knock out YouTube. “In the early days, countries used relatively crude blocking mechanisms at the national backbone level, or imposed restrictions upon ISPs that were applied in uneven ways,” Deibert told Technology Review. “Now we see first and foremost that many countries are using commercial filtering technologies, most of which are made by U.S. companies. That’s providing them with a finer-grain level of service.”