CRISTAL = Control of Remotely Interfaced Systems using Touch-based Actions in Living Spaces and acronym for a project at the Media Interaction Lab at the Upper Austria University of Applied Sciences, Digital Media.
Here is a tutorial on how to make your own multi touch pad in 15 minutes using a web cam, cardboard box, a piece of glass and software. And here is a tutorial on how to make your own touch wall using the same setup looking even better! More information about this do...
multitouch interactive i-bar using light to visually connect everything on the counter. This video uses a simular setup: And for the Dutch provider, it is called the living bar: And the Biotopes application from 2004: