Remember the cool screen Tom Cruise used in the movie Minority Report. Those screens are now a reality thanks to TouchWall. TouchWall can be used just like a giant multi-touchscreen (in this example, a sheet of plexiglass with a projector behind it). TouchWall use infrared lasers combined with an infrared camera to tell where your fingers are, as opposed to a camera. I Imagine how great and rapid it would be creating mindmaps with this combination of hand drawing and mind mapping software.
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