My voice app's one job was to take back a wrong sentence. It was taking back sentences it never said.
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Ray is 68 and five days home after a hip replacement. He asks his assistant whether he can put weight on the new hip. Halfway through the answer, his physio changes the plan. Unsay exists for that moment: the assistant stops mid-sentence and says "Wait — don't do that. What I just told you is out of date." Its one job is to take back a wrong sentence. When I had the code audited, it turned out it was also taking back sentences it had never said. This post covers the four ways the retraction wa