<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0L2ZmL3RoZXN0YXRlb2Z0LmNZWS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/8374a5b2/f83/the-state-of-the-ios-app-store-infographic--740247f785.jpg>
<http://mashable.com/2010/12/16/ios-app-store-infographic/>