Read more: Pew: Tweets not a reliable indicator of public opinion - FierceMobileGovernment

Read more: Pew: Tweets not a reliable indicator of public opinion - FierceMobileGovernment http://www.fiercemobilegovernment.com/story/pew-tweets-not-reliable-indicator-public-opinion/2013-03-06#ixzz2NEZrK8bZ
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