<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/12/kindle-520x245.jpg>
<http://thenextweb.com/apps/2012/01/12/sending-documents-to-your-kindle-just-got-easier-with-the-new-send-to-kindle-app/?awesm=tnw.to_1Cmif>