<http://schema.org/description>
"If you\u2019re reading this blog, you\u2019ve probably heard the whispers.\r\n\r\n\u201CYeah, Foursquare is growing like crazy, but their retention rate is lousy.\u201D\r\n\r\n\u201CFacebook Places has already ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2010/12/21/instagram-expands-the-definition-of-a-check-in-with-the-help-of-foursquare-2/>