<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEzLzAyLzExLzg4L3RlbGVzY29wZS5iNTNkMy5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/bba78e31/937/telescope.jpg>
<http://mashable.com/2012/12/18/search-social-good/>