<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/08/shutterstock_23359831-520x245.jpg>
<http://thenextweb.com/socialmedia/2011/08/27/meet-the-18-people-behind-your-favorite-social-media-accounts/>