Kirkpatrick, Sweeney Discuss Facebook, Groupon, Zynga (Audio)

David Kirkpatrick, author of "The Facebook Effect," and Paul Sweeney, director of North American Research at Bloomberg Industries, discuss Facebook Inc. (FB), Zynga Inc. and Groupon Inc. (GRPN) They talk with Bloomberg's Tom Keene and Sara Eisen on Bloomberg Radio's "Bloomberg Surveillance."

(Source: Bloomberg)

Running time 10:17

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