Think about it this way. Now look at what the channels are showing. The Entertainment Industry has a vested interest in keeping 3D alive, it's what keeps the Magic Factory going. Now go to the doctor. You'll now have a chance to sit back and listen to him or her tell you about all the new medical techniques that can be run in 3D tutorials.
Surgeons can walk through difficult procedures before they enter the operating room.
Instead of seeing a flat representation, the doctor can turn his view around, zoom in, even fly through the body cavity. 3D technology has become far too useful to be given up on now. Finally, on your drive home look at the oil refinery to your left. Engineers have used CAD for years while building everything from refineries, to hotels, to bridges. Now they're going one step beyond.