The Colbert Report (via colbertnation.com) had/has something like this. It prompted me to try it when I was watching an episode, basically you wait for a room t

The Colbert Report (via colbertnation.com) had/has something like this. It prompted me to try it when I was watching an episode, basically you wait for a room to fill up with people, then it plays to all of you while you chat. Obviously you can't pause, which bothered me as I am usually doing two things at once while watching something online