Acknowledgements

The author wishes to thank Simon Haykin, Rosalind Picard, Steve Feiner, Don Norman, Charles Wyckoff, Hiroshi Ishii, Chuck Carter, Kent Nickerson, and Chris Barnhart for much in the way of useful feedback, constructive criticism, etc., as this work has evolved.

Additional Thanks to Kodak, Digital Equipment Corporation, Compaq, ViA, Xybernaut, VirtualVision, HP labs, Chris Barnhart, Kopin, Colorlink, Ed Gritz, Miyota, Chuck Carter, Bob Kinney, and Thought Technologies Limited for lending or donating additional equipment that made these experiments possible.