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Digiday, December 8, 2011
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Ad Age, November 29, 2011
Forbes, November 21, 2011
Search Engine Watch, November 17, 2011
MediaPost, November 11, 2011
MediaPost, November 10, 2011
Reuters, October 28, 2011
Search Engine Watch, October 21, 2011
New York Times, October 17, 2011

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