Interesting, the Soviets did experiment with holographic movies as far back as the 1960’s and even at that times, they made the first computer animated cartoon.
My dad got orders to Japan in 1967, so he took us on a month-long cross country tour (six kids, camping gear, station wagon) and one of the stops was Expo 67.
I broke my damn foot the night before we left, and we had to strap a wheelchair on top of the car because it was one of those you couldn’t put weight on, and they didn’t trust me to use crutches.
Anyway, it was pouring rain at Expo 67, and we have a family picture where we look like sopping wet dogs, not happy at all, especially me in the wheelchair.
But the biggest disappointment was the Soviet Pavilion. They were advertising something about weightlessness, and in my little kid mind, somehow I thought when you went in, you were going to be weightless. Go figure. Anyway, since I was in a wheelchair, I got to go to the front of the line, and I was so disappointed...it was some cheesy, boring black and white movie on weightlessness!
Hahahaha...I felt so ripped off!