Nicholas A. Christakis Quotes
We and others have done a bunch of work to show that if your real friends online say or do something, it affects you. But if your acquaintances online say or do something, it does not. People on average have about 106 Facebook friends, but only 5 or 6 real friends.
Christakis, Nicholas A. Interview by Deborah Solomon. "The Social Networker." The New York Times, 9 Sept. 2009.
Nicholas A. Christakis is an American sociologist and physician known for his research on social networks and on the socioeconomic, biosocial, and evolutionary determinants of behavior, health, and longevity. He is the Sterling Professor of Social and Natural Science at Yale University, where he directs the Human Nature Lab. He is also the Co-Director of the Yale Institute for Network Science.