<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/10/VB2-520x245.png>
<http://thenextweb.com/entrepreneur/2012/10/02/the-validation-board-a-free-tool-for-testing-new-startup-ideas-from-lean-startup-machine/>