[142] Fujitsu Develops Technology That Turns Paper Into a Touchscreen

"This system doesn't use any special hardware; it consists of just a device like an ordinary webcam, plus a commercial projector. Its capabilities are achieved by image processing technology," explains Taichi Murase, a researcher at Fujitsu's Media Service System Lab. read more

[141] Second Surface – Multi-user spatial collaboration system

Collaborative drawing in 3D space has a long history at MIT and on CAN. Starting in the early 2000′s where translucent screen was used to observe three-dimensional objects drawn in space (sorry no link) to our own GD3D app published on the AppStore in september 2010 (free). There is general interest in populating virtual environments and we have seen a large number of projects in the past that do just this. Unfortunately this virtual space is very fragmented, each project relying on its own interface and technologies not to mention different devices used to navigate it. read more