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I've heard a lot recently about Jane Street. Do you know a lot about them? I was curious to know their background in more detail and generally what kind of company it is, or the general attitude or atmosphere of the place. Also, why do you mention them specifically in the context of FP?

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Also, why do you mention them specifically in the context of FP?

They are mostly famous in tech circles for one day one of their interns Yaron Minsky saying, hey let's rewrite everything in OCaml. And they did, and were wildly successful, and he's the CTO now. They bet big on FP and it happened to be an excellent fit for their problem domain.

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