Because the simulation realistically mimics thevisualexperience of a fall, many people do topple over, and may even feel their gorge rising, as though they were falling through space.
Huang and cofounders Christopher Malachowsky (currently Nvidia's vice president of information technology) and Curtis Priem (who retired in 2003) looked at the cartoonish PC games of the time, such as Castle Wolfenstein 3d, and saw their future in improving thevisualexperience.