AP – When Corey Marshall’s Blackberry mysteriously stopped sending and receiving messages, he realized all too clearly just how much he depends on the device: He had no way of contacting his friends because he never bothers to exchange phone numbers with anyone anymore.

AP – Personal computers designed specifically for gamers are getting more powerful and more affordable by the month. They’re bursting with multi-core processors, powerful video graphics cards and plenty of memory to give you the most realistic graphics and action.

AP – You’ve got the new gaming PC, a wide, flat-screen display and all the energy drinks you’ll need to get you through an online session of the futuristic first-person shooter game, “Red Faction: Guerrilla.”

AP – U.S. antitrust regulators are taking a closer look at Google Inc.’s proposed $750 million purchase of mobile phone marketer AdMob, the latest sign of greater government vigilance as Google tries to expand its advertising empire.

A US appeals court upholds a $290m (£182m) verdict against Microsoft in a patent dispute with Canadian company i4i.

Security experts warn of a tough job ahead for President Obama’s first cybersecurity tsar appointed after a seven month search.

An Israeli hacker has found a way to transfer the books on Amazon’s e-book reader to any other device.

The micro-blogging website Twitter says it is buying location tracking start-up Mixer Labs for an undisclosed sum.

The group behind the $100 laptop reveals a tablet version of its PC aimed at connecting children in the developing world.

A 50-year old tradition has gone hi-tech as children track Santa via Google Maps, Facebook and Twitter.