Speed was never the problem. The signals that told you whether an answer was any good traveled with the journey, and they don't survive the trip.

An LLM takes present-you, the version with a question, and hands back future-you, the version with a decision.

That is the trick, and it is a real one. Go back far enough, and answering a serious question meant a library. You looked up books, read them, took notes, found references inside those books that sent you to other books, and after some number of days you knew enough to decide. Search compressed that into hours. You asked, you got results, you followed the clues inside those answers into better questions, and you built a picture until the picture was vivid enough to act on. An answer engine compresses it again, into seconds. Same starting point. Same destination. Almost no travel.

Every limit that applied to the older versions still applies to this one. The library either had the right books, or it did not, and you had no way to check. Google either surfaced the right sources or it did not, and it introduced a problem libraries mostly avoided, because getting a book published took effort and oversight while publishing a web page took neither. Errors, inventions, and confident nonsense scaled past anything a person could sort. You decided anyway. Everyone did.

So the speed is new. The uncertainty underneath it is not. What is new is quieter, and it is the part that’s the concern for anyone who publishes for a living.

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