<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzhlL3lvdXJmYWNlYm9vLmNXVy5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/0601b48e/d20/your-facebook-inbox-could-soon-get-much-more-interesting-deb12256b3.jpg>
<http://mashable.com/2009/08/11/facebook-mailbox-api-2/>