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The hidden influence of social networks: Nicholas Christakis on TED.com

Posted by: Shanna Carpenter

We’re all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits — from happiness to obesity — can spread from person to person, showing how your location in the network might impact your life in ways you don’t even know. (Recorded at TED2010, February 2010 in Long Beach, CA. Duration: 18:14)

Watch Nicholas Christakis’ talk on TED.com, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 600+ TEDTalks.