According to Facebook, they've been testing it on their Developer and Facebook blog. I remember seeing it last week and thinking, "Oh, I've never seen that Fac

According to Facebook, they've been testing it on their Developer and Facebook blog. I remember seeing it last week and thinking, "Oh, I've never seen that Facebook commenting system before". Example: http://blog.facebook.com/blog.php?post=486790652130 http://blog.facebook.com/blog.php?post=486790652130