At the Consumer Electronics Show, Hitachi is demo'ing a product called Starboard that is a multi-touch interface at a very large scale. You can use it to control a regular PC, and they've also got some custom apps for it. One of those is shown in the video.
What's interesting is that this is a projected interface, so it's untethered from the need to have a touch-sensitive LCD. This allows it to scale very large relatively inexpensively. They were also showing a wall-size version.
The projector in both cases was a very short throw Hitachi model … Read more