Two-thirds of adults online use social media like Facebook, Twitter, MySpace and LinkedIn, primarily to maintain connections to friends and family, according to the results of a survey by the Pew Internet and American Life Project.

Of the more than 2,200 participants in the survey, 67 percent said the major reason they use social networks is to stay in touch with current friends, 64 percent to stay in touch with family members and 50 percent to connect with old friends they had lost touch with.

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