<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzJhL2ZhY2Vib29rbG9zLmNLRS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/ddf98a82/3c4/facebook-losing-its-monopoly-on-users-report--e489492d3b.jpg>
<http://mashable.com/2012/05/18/facebook-comscore-data/>