<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzVlL2dvb2dsZWFkZHNwLmFBRS5wbmcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/d3541822/19a/google-adds-picasa-images-to-search-cf5f4a7cf0.jpg>
<http://mashable.com/2007/11/16/google-picasa-image-search/>