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| overview trundle v1.2 anatomy images behavior + interaction movement trundle v1.1 anatomy images behavior trundle v1.0 anatomy images 
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 As people move through the environment, Trundle responds by changing its direction and orientation. The way Trundle responds is the result of its programmed behavior. | 
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| Casey 
        Reas 
        ( reas@media.mit.edu ) | |
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