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One of the biggest limiting factors for the widescale spread of knoweldge to the masses during the Roman era was the fact that mass production of the written word was so difficult.
It meant that libraries like the one in Alexandria with a vast array of knoweldge on many subjects were extremely expensive, rare and inaccessible to the vast vast majority of people.
How fast would things have technologically developed if a Roman engineer had invented the printing press in 80BC?