[quesera]

> it's fairly universal across the nearly 80 years of Mac

  2021 - 1984 == 37

I concur with your other points. :)

[epistasis]

Oops, I thought I had typed 40... 80 would have been in the days of Turing!

[quesera]

It's always good when a surprisingly-large measurement of historical distance is just a simple typo.

Far better than when the surprise fades into realization that the measurement is accurate, and that your internal estimate of time acceleration needs updating!