<http://schema.org/image>
<http://rack.0.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzJlL2ZhY2Vib29rZ3VpLmJlWS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/c1de55de/0f7/facebook-guide-book-mashable-launches-hub-for-facebook-resources--deb12256b3.jpg>
<http://mashable.com/2009/12/28/facebook-guide-book/>