It's a matter of when, not if. There are already computer controlled um, stimulation devices, a;beit rather primitive at this stage. Eventually, we'll have the equivalent of a mocap suit with built in force feedback that allow interaction with life size holographic projections. With direct neural input, you could even dispense with the suit and the holograms.

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken