The number of social networking users has doubled since 2007, Mashable reports, citing figures from Forrester Research.
55.6 million or 33% of adults in the U.S. use social networks today, up from 15% in 2007.
Not surprising. What is? According to the same report, less than 20% of Americans read blogs.
Read the rest of the statistics here.
Image: Luc Legay
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