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MuForceShoelace t1_j0vdw05 wrote

There has been like, maybe 10 generations out of the last 200,000 years that any significant percent of humans were adding or subtracting.

Less than that people were using day planners or clocks. None of the stuff going away existed for more than a few seconds in evolutionary terms.

I doubt even 1% of humans who have ever lived could do a long division.

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