It will be interesting to rewatch movies with all the faces blanked out - they're eye-magnets that prevent you from noticing other details, for example in body language
Obligatory related XKCD: https://xkcd.com/1425
It is like a black hole. how long does it take to fall into a black hole? the answer is a surprising "just about forever" due to time itself dilating as you approach the center.
* think about it, mankind had been trundling about with effectively the same economy for many thousands of years then at some point about three hundred years ago it went exponential and has not slowed down.
> The GPS project was started by the U.S. Department of Defense in 1973. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 1993
> In the 60s, Marvin Minsky assigned a couple of undergrads to spend the summer programming a computer to use a camera to identify objects in a scene. He figured they'd have the problem solved by the end of the summer. Half a century later, we're still working on it.
https://dspace.mit.edu/bitstream/handle/1721.1/6125/AIM-100....