flashlights modded to project these fudicial symbols would be another way of allowing 90 people to mouse around on a screen...
" T-shirts, buttons and other products featuring the reacTIVision fiducial symbols are now available for purchase! All designs on these products can be recognized and tracked by the actual reacTIVision software. "
- reacTable*: a novel electro acoustic instrument with a tangible user interfaces where tangible objects represent the components of a classic modular synthesizer.
- recipe-table: an installation by students from the Interface Culture Lab in Linz, Austria, where recipes can be browsed by placing the desired ingredients on an interactive kitchen surface.
- Between Blinks & Buttons by Sascha Pohflepp.