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That’s just to start with, the things I’ve dedicated memorable amounts of time to (pure credit gets tricky because knowledge & knowing how to learn as a skill compounds)
Also incredible: the extent to which a few tools dominate. Wikipedia, YouTube, Memrise, Kindle; PDF viewers and audio players due generalized credit too I suppose.
If you teach yourself stuff, as a hobby, I am curious what tools or approaches you tend to use. What should I know about?
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