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"Over at Cre8asite Forums, member Risa asks about the appeal of social media sites.  She's tried StumbleUpon, Facebook, and Twitter, but hasn't used them more than once.She's not alone.  Autocrat adds "^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/016277.html>