Computers

An Apple store customer was given internal company media and documents by accident after getting his computer serviced at one of the company's Genius Bars, a new report says.

At an event last night, Research in Motion officially cut the ribbon on the much-discussed Playbook tablet. While consumers have looked at the iPad, Galaxy Tab, and various other tablets with interest and curiosity, there's a different vibe going on with the Playbook.

Steve Jobs asserted Apple Inc.'s command over the hottest market in computing and demonstrated his flair as high-tech's most celebrated pitchman. The Silicon Valley giant's chief executive, who took a medical leave of absence in January, was the surprise master of ceremonies as Apple unveiled a second version of its iPad tablet—a product that has created a multi-billion dollar business in less than a year and left rivals scrambling.

A Chinese scientific research center has built the fastest supercomputer ever made, replacing the United States as maker of the swiftest machine, and giving China bragging rights as a technology superpower.