I recall 20 years ago, seeing articles of how in 20 years everyone will in flying cars. Call me sceptical
Heck - it was more like 40 years ago. 20 years ago I was constantly bringing up that fact when one still couldn’t drive north-south through Trenton, N.J. without having to get off the freeway. And driving on roads through the bad side of down. (And the few times I had to do it - I usually got lost!)