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Did you know that "Heartbeat biometric identification is considered to be very accurate and at a similar level to fingerprints or retina recognition"? Food for thought.
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@prologic@twtxt.net yeah, or any fitbit… measuring the heartrate is easy and cheap, and depending on the accuracy level it can be as cheap as… well, PPG, and any phone with a camera and flashlight can do it. But only yesterday I connected the dots on my mind regarding the sort (and potential uses) of the data being collected as soon as someone tries out a new band or watch.