<http://schema.org/thumbnailUrl>
<http://i0.wp.com/www.gottabemobile.com/wp-content/uploads/2013/03/macbook-pro-with-retina.jpeg?fit=150%2C150>
<http://www.gottabemobile.com/2013/03/21/apple-macbook-pro-with-retina-display-refurbs-100-off/>