It's not quite innovation, from TFA: > X11 (the X Window System) has its own multi-seat extension called Multi-Pointer X (MPX), which I also had a lot of fun w

It's not quite innovation, from TFA: > X11 (the X Window System) has its own multi-seat extension called Multi-Pointer X (MPX), which I also had a lot of fun with a couple of years ago.