University Park, Pa. --- Penn State researchers have developed a prototype system to help visitors locate campus parking lots and buildings by talking with a computer-controlled map that responds not only to the spoken word but also to natural hand gestures.
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Penn State. "Computerized Map Responds To Speech And Gestures." ScienceDaily. ScienceDaily, 20 August 1999. <www.sciencedaily.com/releases/1999/08/990820022208.htm>.
Penn State. (1999, August 20). Computerized Map Responds To Speech And Gestures. ScienceDaily. Retrieved April 17, 2014 from www.sciencedaily.com/releases/1999/08/990820022208.htm
Penn State. "Computerized Map Responds To Speech And Gestures." ScienceDaily. www.sciencedaily.com/releases/1999/08/990820022208.htm (accessed April 17, 2014).