Social media is not ubiquitous. In fact, says a Pew Internet survey released on Friday, just half of U.S. adults are logged on to sites like MySpace, Facebook or LinkedIn.In Pew’s phone survey of 2,277 adults, 65% of Internet users said they use social media. For the first time, 50% of respondents — regardless of whether they use the Internet — said that they did the same.

via Only 50% of U.S. Adults Use Social Media.