<http://schema.org/image>
<http://rack.0.mshcdn.com/media/ZgkyMDEzLzA3LzI5LzAwL2dpem1vLjQ1ZmIyLmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/fd808a81/080/gizmo.jpg>
<http://mashable.com/2013/07/28/augmented-reality-greeting-cards/>