Based on common interests in the potential appli- cation of these technological goals, the Museum of Modern Art (MoMA), New York, and the MIT Me- dia Laboratory agreed to a collaboration driven by the desire to increasingly use technology in their ex- hibits without making aesthetic concessions. Their mainmotivation was to use smart spaces 3 inmuseum exhibits, without the obvious elements of the asso- ciated computing. They offered a very useful error metric that is lacking in a laboratory: a very high aes- thetic sensibility. In many Media Lab demonstra- tions, the visual appearance is a distant second to the functionality of the technology. Themuseumwas unwilling to compromise the appearance of the ex- hibit spaces as.