<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/07/Windows1-520x245.jpg>
<http://thenextweb.com/microsoft/2012/07/25/microsofts-build-2012-developer-conference-kicks-off-october-30-1-week-after-windows-8-goes-on-sale/>