<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEzLzA4LzAzL2JmL0pvZ2dpbmdGbGljLmY0Yjg5LmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/00602540/498/Jogging-Flickr.jpg>
<http://mashable.com/2013/08/02/achievemint/>