<http://schema.org/url>
<http://thenextweb.com/apps/2012/11/16/foursquares-come-a-long-way-in-4-years-look-at-its-first-prototype/>
<http://thenextweb.com/apps/2012/11/16/foursquares-come-a-long-way-in-4-years-look-at-its-first-prototype/>