<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2014/07/shutterstock_175030535-786x305-520x245.jpg>
<http://thenextweb.com/insider/2014/07/29/wordpress-com-gets-fixed-toolbar-post-editor-revamped-media-library-better-playlists/>