<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzRhL2ZhY2Vib29rZmFuLmJTcS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/e9055af7/2e9/facebook-fans-valued-at-3-60-each-stats--3afba1fc8f.jpg>
<http://mashable.com/2010/04/14/facebook-fan-valuation/>