<http://schema.org/url>
<http://thenextweb.com/socialmedia/2010/08/10/zagat-hits-50000-friends-on-foursquare-is-the-location-service-mainstream-yet/>
<http://thenextweb.com/socialmedia/2010/08/10/zagat-hits-50000-friends-on-foursquare-is-the-location-service-mainstream-yet/>