RT @chuckmartin1: @TheSoc…
RT @chuckmartin1: @TheSocialCMO In 2009, it was 9 percent. Of those, 2 times more are using smartphones #MMchat
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RT @chuckmartin1: @TheSocialCMO In 2009, it was 9 percent. Of those, 2 times more are using smartphones #MMchat