Center for Human Modeling and Simulation

Document Type

Journal Article

Date of this Version

March 2001


Copyright Norman I. Badler, 2001. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in Communications of the ACM, Volume 44, Issue 3, March 2001, pages 33-35.
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Date Posted: 24 July 2007