Half of America Is Using Social Networks - NYTimes.com

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Social networks have crossed another milestone.

For the first time, half of all adults in the United States said they use a social networking site, according to a survey released Friday by the Pew Research Center.

That’s 50 percent of all Americans, not just those who say they are online. Six years ago, when Pew first conducted a similar survey, only 5 percent of all adults said they used social sites, like Facebook, LinkedIn or MySpace.

Half of America Is Using Social Networks - NYTimes.com