judgecorp writes: Matt Smith, the current actor playing Doctor Who, doesn't use Facebook or Twitter, despite his geek icon status. He worries that social media encourages us to create "surrogate versions" or "celebrity versions" of ourselves. He also, arguably, doesn't need their help, being a celebrity already. Smith made the comments in St Petersburg, where he hosted the final of Microsoft's Imagine Cup for student inventors, won this year by a British team with a mesh music-playing application.
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