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    This doesn’t really answer the title question, but it’s an interesting read ayway imo, especially if you’re interested in AI history. What it does do better than anything I’ve read elsewhere (even in published books) is lay out some of the different people who were optimistic and pessimistic about AI in the early years, and make some attempt to judge the context and seriousness of their various views. It’s especially good that the author went back and looked up some of the oft-repeated quotes to figure out where they came from and if they were accurately quoted.