"we know that forM will not change the number of elements in the container by leaning on the Traversable laws alone"
miniblog.
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Twitter users are younger, more left-leaning, and more educated, than the US median: https://www.pewinternet.org/2019/04/24/sizing-up-twitter-users/
Interesting to see that despite its size, the userbase isn't entirely representative in some areas (although the article mentions it's pretty similar in others).