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PSA: ChatGPT is using chats you forgot about to shape new answers, and it does not tell you when

This story is from 2026-09-13. It is preserved in the archive; the latest stories are on the live feed.

This cost me a bad piece of feedback before I figured out what was going on. I asked ChatGPT to review a pitch for a new project. The review kept pushing the tone toward "friendly and casual". The project was for a law firm. It took me a while to work out why. Months earlier I had spent a week in a…

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  1. 2026-09-13 08:05 · r/ChatGPT
    PSA: ChatGPT is using chats you forgot about to shape new answers, and it does not tell you when

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