HardOCP writes Intel demonstrated how Kinect and a decent projector can turn any wall into a touchscreen:
Here we are at Day 1 of Intel Developer Forum witnessing some fabulous proof-of-concept designs. The first concept to really catch our eye is Intel’s "Display without Boundaries", where Intel turns any surface into a fully capable multi-touch screen. That means you can turn any wall, table, or item into a touch-screen device that recognizes multitouch gestures and actions as smoothly as iPad.
