Study finds surprising source of social influence

Imagine you're a CEO who wants to promote an innovative new product—a time management app or a fitness program. Should you send the product to Kim Kardashian in the hope that she'll love it and spread the word to her legions ...

Social networks boosts election turnout

About one third of a million more people showed up at the ballot box in the United States in 2010 because of a single Facebook message on Election Day, estimates a new study led by the University of California, San Diego.

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