Here's something that's interesting. It's kind of a combo of Virtual Reality and 3-D.
meganmeave said:
...5-8% of the population is stereoblind, which means they can't see 3D at all. And apparently another 20-30 percent have this condition to a lesser extent, which means they don't get the full effects.
I think I might be slightly stereo blind.... Another form of "3-D" tech is this
interesting video [http://www.youtube.com/watch?v=Jd3-eiid-Uw] It only works for one person, but doesn't require stereo vision.