context-aware 
ToolStone Bubbles Feather_Shaker Ambient_Display Augmented_Reality BrightBoard 
Reactive_Conf_Room environment summary references
Evolution of a Reactive Environment
invisible, transparent, ubiquitous, affordance
- videoconferencing, video playback, electronic whiteboard
- computer demo, overhead projector
Jeremy R. Cooperstock, Koichiro Tanikoshi, Garry Beirne, Tracy Narine, William Buxton, (1995) Evolution of a Reactive Environment. CHI'95, p170-177