<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDEyLzEyLzA1LzZjL2dvb2dsZWNlbGViLjFHSC5naWYKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/20dd286d/19b/google-celebrates-its-real-birthday-390ee9d451.jpg>
<http://mashable.com/2007/09/27/google-birthday/>