LightBeam Pico Projector Turns any Surface into Interactive Display

LightBeam is pico projector that uses a webcam to track and reorient its display to suit any ad hoc surface, the piece of paper in your hand, the cover of a book, or the picture frame on your desk.

Read more: http://forcetoknow.com/hi-tech/lightbeam-pico-projector-turns-surface-interactive-display.html