ceo of mashable

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Nikhil Chandhok, Senior Project Manager for YouTube Music & Live, David Karp, founder of Tumblr, Kevin Rose, Founder of Digg, Pete Cashmore, founder/CEO of Mashable, actor/musician/investor Jared Leto, and CNN anchor Rick Sanchez participate in the Social Media Rockstar Panel at The GRAMMY Museum on January 29, 2010 in Los Angeles, California.