The first time I tried out Virtual Reality was a while ago — somewhere in the late 1990's. I was quite young so my memory is a bit hazy, but I remember a research-lab-like room full of hardware, wires, and in the middle a large chair with a big helmet that came down over your head. I was put through some standard 3 minute demo where you look around, things move around you, they scare you by dropping you down, basics. The display was low-resolution, had strong ghosting artifacts, there was long r...