Not enough. Many people are running Superwhisper and the like on their machines that capture the audio stream directly out of the OS and applications. Even if all the cloud recorders are removed, you must assume that unless you have the entire security provenance chain of the other person's device verified, that your words are being recorded. And fed to whatever nebulous cloud AI and services that person uses.

Even then, it's easy enough now to have a second device capture the audio, like a phone as well. Being able to reflect on meeting notes is such a powerful valuable thing for people, you can assume they are almost certainly going to be doing it.

Its often seen as an imposition to do so, so it depends on how the power structure runs if someone is comfortable asking

Yes I do this constantly? It has never been an issue.

Yeah, if they refuse then that is also a signal about how much they truly value you (and not an insignificant one either).

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