Renowned scientists Christakis and Fowler present compelling evidence for the profound influence people have on one another's tastes, health, wealth, happiness, beliefs, even weight, as they explain how social networks form and how they operate.
Opening Days lecture by Prof. Nicholas Christakis highlights power of social networks and argues that human social networks have the power to spread obesity — or happiness — like contagion.
Source: YouTube Vido: http://www.youtube.com/watch?v=8dO6Wwh_tiU
Christakis N, Fowler J. Connected : the surprising power of our social networks and how they shape our lives / Nicholas A. Christakis, James H. Fowler [e-book]. New York : Little, Brown and Co./Hachette Book Group, 2009.; 2009. Available from: NTU Library Catalogue, Ipswich, MA. Accessed September 15, 2011.