<http://schema.org/url>
<http://mashable.com/media/ZgkyMDEyLzEyLzA0LzZiL3R3aXR0ZXJlbnZ5LmRsTi5wbmcKcAl0aHVtYgkxMjAweDYyNyM/8be5853e/632/twitter-envy-facebook-adds-public-content-sharing-e31a2dded3.png>
<http://mashable.com/2009/06/24/facebook-publisher/>