<http://schema.org/thumbnailUrl>
<http://www.imore.com/sites/imore.com/files/styles/thumbnail/public/images/stories/2011/04/Screen-shot-2011-04-16-at-9.50.33-PM.png?itok=52KGgRte>
<http://www.imore.com/apple-sell-square-credit-card-reader-iphone-ipad>