<http://schema.org/description>
"Facebook's long heralded move into location has often had me thinking about how new features launched by established services can have a profound effect on other players in the market ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2010/05/11/video-killed-the-radio-star-facebook-killing-the-foursquare-star/>