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You know how I like to say “oh, you should pay special attention to expert-novice differences to get at the shape of some skill”? Well, here’s John Carmack, one of the best computer programmers in the world, talking about the shape of his skill.

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Cedric Chin

@ejames_c

Aug 9

It’s also super interesting that he’s comparing against other ‘world class’ programmers (for some strict definition of ‘world class’), and then highlighting the bit that he’s got a special edge in.

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One of the valuable things about reading expertise research is that you learn to pay special attention to “what makes someone a good X” type questions. Here’s an example of one that just LEAPT out at me. The Q is: “what makes for an A+ growth/full stack marketing person?”

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6:15 AM · Aug 9, 2022Twitter Web App

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“Almost impossible at the web browser level, but you should know what they all are even if you can’t know the perf characteristics (…) there are all these decisions that aren’t made in a globally optimal way but sometimes you can drive a thread of global optimality through it.”

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Cedric Chin

@ejames_c

Aug 9

And a concrete example of what that looks like:

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