Ethan Mollick
@emollick · 27 mars 2023
We have had waves of technological change that restructured the entire economy before.
In 1890, 1 out of every 12 men in America was employed in railways, which used 56% of all horsepower across all machines. And as @calebwatney pointed out, nails alone were .5% of the 1810 GDP!
Elon Musk
@elonmusk
💅
02:39 · 28 mars 2023 · 505,5 k vues
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