<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzA0Lzk5L3Nwcm91dGVydHdpLmRjYS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/5c1faaaa/738/sprouter-twitter-for-business-owners-7c9d6c94d6.jpg>
<http://mashable.com/2009/11/12/sprouter/>