That's why there is slow mode, if you have slow mode with 8000 people set to 1 minute, that's 8000 messages max. But not everybody chats, so lets be realistic and say that only about 50% chat regularly (even that's generous) also, SGDQ didn't have sub mode on [b]or[/b] slow mode and they didn't break anything and they average 100,000+ audience members