- Nicholas Christakis
- Physician, social scientist, Harvard
- Speaking at TED2010
- February 2010
- Long Beach, CA
The hidden influence of social networks: 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.