<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2VjL3RoZTIwbW9zdHBvLmNoRy5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/64b640f9/59e/the-20-most-popular-twitter-users-according-to-the-accept-bug-8dcb77ab64.jpg>
<http://mashable.com/2010/05/12/popular-twitter-users-accept-bug/>