What a statistic: 80% of tweets by U.S. adults come from 10% of Twitter users.https://twitter.com/pewresearch/status/1121092187373101061 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
True also of many natural systems. Search on Zipf's Law
Pareto law.
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