Francis Ford Coppola Predicting The Future At 1979 Oscars (50 SEC video)
youtube.com
youtube.com
https://cleverclipstudios.com/en-ch/blog/star-wars-and-the-c...
It was a big deal at the time.
The late 70's was when CGI started to take a hold in movie making. It was primitive compared to today but effective.