<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/06/4627872272_f9bd7c7978_z-520x245.jpg>
<http://thenextweb.com/google/2012/06/27/googles-social-efforts-are-paying-off-google-has-250m-accounts-150m-are-active-monthly/>