<http://schema.org/thumbnailUrl>
<http://factmag-images.s3.amazonaws.com/wp-content/uploads/2015/02/WhatTheEyeballsDid-150x150.jpg>
<http://www.factmag.com/2012/12/05/atoms-for-peace-shares-what-the-eyeballs-did-via-website-easter-egg/>