So it's the facebook bookmarklet. http://www.facebook.com/share_options.php http://www.facebook.com/share_options.php This already existed. What facebook was

So it's the facebook bookmarklet. http://www.facebook.com/share_options.php http://www.facebook.com/share_options.php This already existed. What facebook was missing before was actually encouraging the bookmarklet's use and providing analytics on facebook for website owners to see what people used the bookmarklet on (presumably, if you integrate facebook's like functionality on your site, you can see what people are liking).