<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2014/07/IMG_20140701_125944-520x245.jpg>
<http://thenextweb.com/apps/2014/07/01/iphone-app-uses-anchors-compass-virtual-breadcrumbs-youll-never-get-lost/6/>