<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEzLzEwLzE1LzNiL3RodW1ic3BhbWZpLjM2ZTMwLmpwZwpwCXRodW1iCTEyMDB4NjI3IwplCWpwZw/a3fd0e16/70b/thumb-spam-fish.jpg>
<http://mashable.com/2013/10/15/inbox-zero-comic/>