Tracking The Digital Traces Of Social Networks

Researchers have studied the massive online virtual world Second Life to test whether or not certain social theories are true. Having access to huge amounts of data gave them a way to answer how networks are created. Searching through anonymized data from Teen Grid, where only teenage players can socialize, the researchers found that teens' online friendships were disproportionately with people in their immediate geographic area -- likely with people they already knew.

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