<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2010/01/Picture-81.png>
<http://thenextweb.com/twitter/2011/04/05/twitter-unveils-a-new-homepage-with-a-focus-on-interests/?awesm=tnw.to_17j1A>