Social Media Summit: Panel

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YouTube's Nikhil Chandhok, Tumblr's David Karp, Digg's Kevin Rose, Mashable's Pete Cashmore, actor/recording artist Jared Leto, and CNN anchor Rick Sanchez participate in the Social Media Rock Stars Summit on Jan. 29 at the GRAMMY Museum at L.A. Live

Charley Gallay/WireImage.com

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