<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2ZlL3R3aXR0ZXJsYXVuLmNsWi5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/15ab6013/534/twitter-launches-photo-video-search-88cd8c34ea.jpg>
<http://mashable.com/2011/06/01/twitter-photo-video-search/>