U.S. Mobile Social Media Audience Grows 37 Percent in the Past Year(comscore.com)

U.S. Mobile Social Media Audience Grows 37 Percent in the Past Year

http://www.comscore.com/Press_Events/Press_Releases/2011/10/Social_Networking_On-The-Go_U.S._Mobile_Social_Media_Audience_Grows_37_Percent_in_the_Past_Year

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