<http://schema.org/url>
<http://mashable.com/media/ZgkyMDEyLzEyLzA0LzA2L3lhaG9vYWNxdWlyLm1zeC5naWYKcAl0aHVtYgkxMjAweDYyNyM/29b32c92/0ea/yahoo-acquires-buzztracker-042e4af08e.gif>
<http://mashable.com/2007/09/14/buzztracker/>