Thanks for sharing, that looks like an interesting read. There was also this paper (linking to summary) about figuring out how to decode the audio of someone t

Thanks for sharing, that looks like an interesting read. There was also this paper (linking to summary) about figuring out how to decode the audio of someone typing on a keyboard. https://freedom-to-tinker.com/blog/felten/acoustic-snooping-typed-information/ https://freedom-to-tinker.com/blog/felten/acoustic-snooping-...