<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/09/Screen-Shot-2011-09-08-at-12.06.17-PM-520x245.png>
<http://thenextweb.com/twitter/2011/09/08/twitter-ceo-dick-costolo-on-google-the-ecosystem-and-ipo-rumors/>