PerspectiveSocial Science

Ignorance, Knowledge, and Outcomes in a Small World

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Science  08 Aug 2003:
Vol. 301, Issue 5634, pp. 773-774
DOI: 10.1126/science.1088508

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Thirty-six years ago, Stanley Milgram in his famous "small world" experiment found that every individual in the United States is linked to every other through a short chain of social ties, with an average chain length of six people. In a Perspective, Granovetter discusses a large-scale study of 60,000 e-mail users ( Dodds et al.) that confirms Milgram's original findings and delves deeper into understanding the social networks that connect us all.