<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/09/pinmoney-520x245.jpg>
<http://thenextweb.com/insider/2013/09/19/pinterest-gets-into-advertising-with-promoted-pins-experiment/?_escaped_fragment_=rlE02>