'Tecura' - a collaborative drawing tool created by Evru. I saw this work in the exhibtion Souls&Machines in Madrid last summer. What interested me is that they describe it as a painting tool rather than a drawing one. Could this be to do with what someone (forgotten who...) said about vector=drawing, raster=painting?

A kid who has hacked a Wiimote to be able to recreate a 'Minority Report' style of interacting with a surface.

Tag tool

"The Tagtool is a performative visual instrument used on stage and on the street. It serves as a VJ tool, a creative video game, or an intuitive way of creating animation".