<http://schema.org/url>
<http://mashable.com/media/ZgkyMDEyLzEyLzA0LzdlL3RoZWZpcnN0b3BlLmREUC5wbmcKcAl0aHVtYgkxMjAweDYyNyM/51d4fc1c/21a/the-first-opensocial-screencast-f8dfa293e8.png>
<http://mashable.com/2007/10/31/the-first-opensocial-screencast/>