<http://schema.org/thumbnailUrl>
<http://www.imore.com/sites/imore.com/files/styles/thumbnail/public/field/image/2013/03/pixable_iphone_hero.jpg?itok=gH7QHRUE>
<http://www.imore.com/get-all-your-social-network-photos-one-place-pixable-iphone-and-ipad>