I'm not sure "the graying of social networking," as Pew puts it, quite describes what Pew discovered in its latest look at adult use of social sites in the US. It's more the mainstreaming of social networking, I think. "Fully 65% of adult internet users now say they use a social networking site like MySpace, Facebook or LinkedIn, up from 61% one year ago," according to the just-released report … [Read more...] about Adults’ social networking more than doubled since 2008: Study