<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2VhL25vd2FjY2Vzc3lvLmJTdy5wbmcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/573e6439/476/now-access-your-gmail-from-facebook-unofficially--e574b37da0.jpg>
<http://mashable.com/2007/09/25/gmail-facebook/>