Easter egg ¬ify sound
Add this to a guest's/director's URL and you get R2-D2 audio alerts for raised-hands, chat messages.
¬ify. If there is no sound when a guest is joining or leaving the room, use
¬ify&r2d2to get a basic sound.
If you can't hear a sound, click any button in the room. Then the sounds will be activated.