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Now Playing: 12-26-12 Marketplace Tech Report

A big idea to chew on as you recover from the holiday revelry: A dog is said to be our best friend, but what if technology became mankind's worst enemy? Cambridge University is starting up an institute to keep an eye on things that could some day wipe out the human race. It's got a title that would do Albert Camus proud, the 'Centre for the Study of Existential Risk'.