BitTorrent search engine BTJunkie has abruptly shut down its website, giving its users a short and sweet goodbye:"We've decided to voluntarily shut down. We've been fighting for years for your right to communicate, but it's time to move on."It appears likely that the move was a defensive maneuver in response to law enforcement's takedown of the Megaupload site in January.

Microsoft is overhauling Windows Phone 8, which is still in development, to make it more competitive with market leaders iOS and Android, according to leaked information. The mobile OS will add support for multicore processors, up to four new screen resolutions, and removable microSD card storage. It will also support near-field communications, the technology that enables e-wallets.

Google last week announced it's beefed up security at the Android Market with a malware sniffing system called"Bouncer."Bouncer analyzes new and existing apps, as well as developer accounts. Before apps are allowed to be sold in the market, they're analyzed to see if they contain any known malware, spyware or trojans.

Now that webOS is making its merry way along the open road, there's no telling what tablets or other mobile devices it may inspire over the upcoming months. In the meantime, the Linux world is all abuzz over what promises to be the very first fully open tablet out there: the Spark, a device slated to ship in May from none other than the KDE Plasma Active community itself.

As near as I can tell, almost every kid goes through an intense dinosaur phase, and for some adults, the fascination remains for decades. Even years after the movie"Jurassic Park"brought dinos to life, I would still eat up all the dinosaur documentary shows I could find, like"Walking With Dinosaurs."

Last week was the coming-out party for AMD's new CEO, and his core message was that the market was undergoing a shift -- and when markets shift, leadership changes. His point was that Intel's leadership was at risk and that AMD was poised to take over that leadership. The nature of this change is massive, and I doubt we -- I mean any of us -- are fully aware of how much is changing.

Facebook's finally decided to take a head-first dive into the mountain of cash it's been standing on for years. Following several days of heated rumors and years of speculation about when CEO Mark Zuckerberg was finally going to cash in his chips, the company filed an S-1 statement with the SEC, paving the way for an IPO as early as this May.

An in-depth look at Facebook user behavior reveals some interesting trends among this more than 800- million constituency: One, Facebook users tend to receive more from the Facebook friends than they give out; two, there is a solid core of users that are very active on the site.

Microsoft is overhauling Windows Phone 8, which is still in development, to make it more competitive with market leaders iOS and Android, according to leaked information. The mobile OS will add support for multicore processors, up to four new screen resolutions, and removable microSD card storage. It will also support near-field communications, the technology that enables mobile wallets.

The hacker community Anonymous on Friday landed another blow in its war with the United States Federal Bureau of Investigation. It posted an internal memo from the law enforcement agency about an upcoming international call to discuss hackers. Anonymous also put up a recording of the call itself on YouTube.