<http://schema.org/url>
<http://thenextweb.com/google/2010/07/04/pop-goes-google-rube-goldberg-doodle-puts-on-a-fourth-of-july-display/>
<http://thenextweb.com/google/2010/07/04/pop-goes-google-rube-goldberg-doodle-puts-on-a-fourth-of-july-display/>