<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/02/157547287-520x245.jpg>
<http://thenextweb.com/microsoft/2013/05/24/microsoft-and-google-are-building-a-youtube-app-for-windows-phone-that-serves-ads-due-in-the-coming-weeks/>