In 1979, MIT professor Christopher Schmandt and colleagues developed “Put That There,” a voice and gesture interactive system, in the Architecture Machine Group (that later evolved into the famed MIT Media Lab)(Put That There) allows a user to build and modify a graphical database on a large format video display. The goal of the research is a simple, conversational interface to sophisticated computer interaction. Natural language and gestures are used, while speech output allows the system to query the user on ambiguous input.

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