<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2VhL2ZhY2Vib29rdGVzLmI1Sy5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/482057f3/193/facebook-testing-promoted-news-feed-posts-for-non-fans-3f427ce64f.jpg>
<http://mashable.com/2012/08/15/facebook-promoted-post/>