The visitor waiting for the demo stands in the center of an actual real nondescript waiting room. A pair of large dark goggles rest on a stool. The visitor dons the goggles and is immediately immersed into a virtual version of the same room she was standing in, with the same nondescript paneling and chairs. Not much is changed from her point of view. She can look around. The scene looks a little coarser through the goggles. But slowly the floor of the room begins to drop away, leaving the visitor standing on a plank that now floats over the receding floor 30 meters below. She is asked to walk
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