<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/03/scoble-520x245.jpg>
<http://thenextweb.com/video/2011/03/02/i-ask-scoble-so-quora-do-you-like-it-or-not-video/>