<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEzLzEyLzE1L2RiL2lwaG9uZXN1YndhLjBkNDM5LmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/04eac7fe/3a2/iphone-subway.jpg>
<http://mashable.com/2013/12/15/smartphone-dependency/>