<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/04/wolfram-520x245.jpg>
<http://thenextweb.com/insider/2013/04/26/wolfram-research-nearly-had-a-deal-to-use-its-tech-in-google-search-but-it-blew-up/?fromcat=all>