<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/06/digger-520x245.jpg>
<http://thenextweb.com/apps/2013/06/27/digg-updates-its-ios-app-to-bring-its-digg-reader-rss-service-to-mobile/>