Connected: The Surprising Power of Our Social Networks and How They Shape Our Lives - How Your Friends' Friends' Friends Affect Everything You Feel, Think, and Do
Nicholas A. Christakis, James H. Fowler · 2011
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.