<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/06/Google_Sign_Small1-520x245.jpg>
<http://thenextweb.com/google/2011/06/01/google-releases-developer-preview-of-webrtc-its-open-real-time-voice-and-video-platform/>