“There was no change in the design of stone hand axes for 1.4 million years. […] For 60 thousand generations people looked at stone hand axes and couldn’t think of any way to improve them. This sounds incredible to us, we expect the iPhone to be different next year. But the reality is that for most of human history nothing much changed.”

Marcus Chown, 5. Interaction, Interaciton, Interaction, 2020