So what standards of measure would you use to compare the innovations and contri

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So what standards of measure would you use to compare the innovations and contributions of civilizations?

Source date (UTC): 2021-02-18 01:47:35 UTC

Original post: https://twitter.com/i/web/status/1362217163315175427

Reply addressees: @factandrumor

Replying to: https://twitter.com/i/web/status/1362216528746266624

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