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Who Are You, Really? Activists Fight For Pseudonyms

Some online activists see Google's measure to shut down accounts with names that don't look real as part of a worrying trend to force people to use their real names online. They say they want freedom to express themselves — and that there are benign reasons to use pseudonyms.

Amazon Unveils Its Tablet, The Kindle Fire: Can It Compete?

Today, Amazon unveiled the Kindle Fire, a 7-inch tablet that functions like a souped-up e-reader that can also give you access to music, movies, and apps. But questions abound about the device's ability to fit into a crowded market for portable media devices.

Amazon Unveils $199 'Fire' Tablet And New Kindle Readers

The company's much-anticipated competitor to the iPad will cost $199. And Amazon is introducing a new touch-screen Kindle.

NYC Launches Subway Cell Phone Service

New York City officially launches underground cell phone service at six subway stations in Manhattan Tuesday. Some New Yorkers hail the inexorable march of progress, while others lament the intrusion of annoying ringtones and banal conversation into yet another urban space.

OnStar Hits Reverse: It Won't Keep Collecting Data From Old Customers

The company wanted to keep monitoring the travel and habits of drivers even after they no longer subscribe to the service. It has responded to sharp criticism of that plan.

The 'Worm' That Could Bring Down The Internet

As many as 12 million computers worldwide have been infected with a highly encrypted computer worm called Conficker. Writer Mark Bowden details how Conficker was discovered, how it works, and the ongoing programming battle to bring down Conficker in his book Worm: The First Digital World War.

Air Force And Navy Turn To Biofuels

The military is trying to make big changes in what fuel it uses. The Air Force and Navy have been testing their aircraft — everything from fighters to unmanned spy planes — on fuel made from vegetable oil or even animal fat. One catch: It costs 10 times the price of traditional fuel.

Few Consumers Are Cracking The QR Code

The pixelated images meant to be scanned on a smartphone to take the user to a website may be too involved for too little reward, branding consultants say. Though the codes are more prevalent, only 6 percent of mobile subscribers in the U.S. scan them, and a newer technology may soon overtake it.