> make people you 'mute' become invisible That would be dangerous. They could follow the SL example and turn them into cardboard-like figures, or get more crea

> make people you 'mute' become invisible That would be dangerous. They could follow the SL example and turn them into cardboard-like figures, or get more creative and let you dress them up as clowns, Barney the Dinosaur or some other avatar of your choice. :)