<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDE0LzA2LzAyL2I0L0NyYWlnLmRhMmRkLmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/f9680f41/359/Craig.jpg>
<http://mashable.com/2014/06/02/apple-ios-extensibility/>