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The typical way to express the idea of us carrying the preinstalled software of those prehistoric guys and gals is that if those millions of years of human evolution could be compressed into a 24-hour clock, the last 10,000 years since the Agricultural Revolution would take place beginning at about five minutes to midnight.
The last 200 years of the Industrial Revolution began to take place at about five seconds to midnight. And the Digital Age... well, you get the metaphor. It’s been an eye blink, and evolution is not fast enough to redesign us for endless couch surfing!