I thought this was an interesting article on Virtual Spaces by Char Davies. Check out her website for more interesting information. http://www.immersence.com/ Virtual Space by Char Davies Published in SPACE in Science, Art and Society. François Penz, Gregory Radick and Robert Howell, eds. Cambridge, England: Cambridge Universty Press (2004), pp. 69-104, illus. PLEASE SEE THE ABOVE LINK FOR THE FULL ARTICLE