Social networking giant Facebook is used by two-thirds of adults who are online. “Women are more likely than men to be Facebook users, and Facebook use is especially common among younger adults.”
Pew says 16% of Internet users are on Twitter — that’s double from November 2010. People 18 to 29 are the most likely to use Twitter, and urban-dwellers are significantly more likely than both suburban and rural residents to use the service.
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