Tweets From Ethan Mollick

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The problem with unmoderated online spaces is that a few people will always ruin them. Most conflicts between Reddit can be traced to a handful of active users with a history of angry comments. A mere 0.1% of all Reddits generate 38% of attacks on others, and 1% accounts for 74%. https://t.co/yMbZLFAs78 ([View Tweet](https://twitter.com/emollick/status/1490078052239433735 ))
A surprisingly large part of the value of Google & other search engines is just Wikipedia. This paper shows that Wikipedia articles appear in 67%-84% of all search engine results pages & they are the source for most “knowledge boxes” or other excerpts. https://t.co/kEaGb2JhEG https://t.co/ZXZ6Q9iGml ([View Tweet](https://twitter.com/emollick/status/1441843656735051776 ))
The Illusory Truth Effect is a key to understanding the impact of social media. If you see something repeated enough times, it seems true. A new paper shows it works on 85% of people. Other work shows that this happens even if the idea isn't plausible & even if you know better! https://t.co/2ZGAsAUN9F ([View Tweet](https://twitter.com/emollick/status/1450863948492906498 ))

The skill of surgeons varies tremendously, with bottom quartile surgeons having over 4x as many complications as the best surgeons in the same hospital. And surgeons are keenly aware of who is good & who is bad - their rankings of others are very accurate. https://t.co/1YOmLxgQEd https://t.co/cm3HUph0Aj ([View Tweet](https://twitter.com/emollick/status/1520589431861878786 ))

A map of the entire universe to (log) scale, by @budassiuniverse. Spacecraft, planets, large-scale galactic structures - they are all there if you zoom in. https://t.co/lfDqDLNfcx https://t.co/aiC5SyF0fx ([View Tweet](https://twitter.com/emollick/status/1543713516946849795 ))

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