<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2014/07/linkedin-520x245.jpg>
<http://thenextweb.com/dd/2014/07/16/linkedin-behind-scenes-building-professional-publishing-platform-daily-consumption/unlocking-the-experts-1-638/>