<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzAzL2ZhY2Vib29raW1vLmlsdC5wbmcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/a6724c1d/876/facebook-im-options-tweaked-6152299ed4.jpg>
<http://mashable.com/2007/01/17/facebook-im/>