I worked on a relatively compact head mounted display that the company thought would be successful for 3D movies (this was 2005/6). They also imagined that user

I worked on a relatively compact head mounted display that the company thought would be successful for 3D movies (this was 2005/6). They also imagined that users would want to watch this content while traveling on airplanes. We did some (cheaper) user testing by putting people in the back of a limo and driving on highway 280 in the bay area. One of the users had to pull over to vomit. He was an ex-fighter pilot. I still question if VR will ever truly take off.