This is part of the underlying problem with Runescape as it is. Jagex's quest to protect privacy is the exact thing that's causing rude people, scammers, macroers, etc to be able to thrive so easily. Lobbies? Common abbrevation for lobsters. On topic, I think adult worlds would be great, as long as there was more to them than just an age difference. No chat filter, we should be able to ask for personal information freely (no getting banned for asking your friend their age or city or something stupid), etc. Also, to those saying to just go upstairs in some random building or something... how exactly are we supposed to PLAY the game if all we're doing is standing in a room? Some of the best conversations I've had in the game have taken place while mining, ranging, or doing other semi-mundane and otherwise mindless tasks. If we were just chatting standing in a room, we'd might as well use a normal messenger, and ditch the whole game aspect to it.