

When I started a new job in IT around 2009, I learned that AS400 / iSeries / IBM i was a thing, and it’s still doing pretty well with big retail and the insurance business.
In the same vein, the system used by the aviation industry to book flights is also quite ancient but still very much used to this day.
And the ‘lie detector’ is just a myth. Even the inventor knew it didn’t ‘detect lies’.
https://www.smithsonianmag.com/smithsonian-institution/why-creator-first-lie-detectors-regret-invention-polygraph-machine-inventor-180985222/