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Press Release 11-267
Facebook Helps Researchers See How Friendships Form

Long-term study analyzes social selection and peer influence in online environments

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Image showing college students' tastes and social networks on Facebook.

College students' tastes and social networks on Facebook. Nodes represent students and lines represent Facebook friendships, where red nodes are students whose "favorite music" includes classical/jazz artists and node size is proportionate to the quantity of classical/jazz artists the student lists.

Credit: Kevin Lewis, Harvard University


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