<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2ZiL3R3aXR0ZXJ1cGRhLmZzOS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/40bc7f15/f44/twitter-updates-officially-become-tweets-4c1fd248f4.jpg>
<http://mashable.com/2009/07/27/updates-tweets/>