<http://schema.org/image>
<http://rack.3.mshcdn.com/media/ZgkyMDEyLzEyLzA0Lzg5L3doeWNyZWF0aW5nLmIzRi5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/be3d915e/9e9/why-creating-a-successful-app-is-harder-than-you-think-infographic--adeb69baaf.jpg>
<http://mashable.com/2012/05/02/successful-app-infographic/>