Mostly OT: The 4 things needed for expertise.

An interesting video by Veritasium about the components of becoming an expert. 17 minutes long.
Buffett’s bet against the hedge funds is mentioned halfway through, along with the perils of individual stock picking due to invalid feedback.

Pattern recognition, timely feedback, validity of results, and deliberate practice/study.

https://youtu.be/5eW6Eagr9XA

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