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LinkedIn 's just launched its new platform to everyone online interested in hooking up to the business networking site's APIs. Useful stuff, for some, but what it's really about is trying to usurp Facebook in the enterprise social networking space. Back in October, LinkedIn revealed some of its plans when it gave "over a thousand developers" early access to a new Javascript-based platform that would let third parties integrate more closely with LinkedIn's extensive business-based social graph.

Recently, I was interviewed about entrepreneurship by Business Insider.

Twitter and other social networks have, of course, been remarkable tools during past uprisings and disasters.

The founder of the Web message board 4Chan took the stage at SXSW to explain how his new project, Canvas, could far exceed 4Chan's 12-million-user popularity with Facebook-friendly appeal. Like your daughter bringing home an ex-convict for dinner and saying that he's actually a "really good guy," Christopher "moot" Poole explained how the virtue of 4Chan--instantaneous collaborative creativity--could overshadow its darker, dirtier proclivities by gaining new life in a project called Canvas .

There's a debate going on about tablets. Are they actually PC's? Steve Jobs says "no"