A smartwatch is a small pile of sensors strapped to your wrist. Heart rate, blood oxygen, movement, skin temperature: it reads all of it constantly. None of that data matters if the apps meant to int… [+4504 chars]Read More
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A smartwatch is a small pile of sensors strapped to your wrist. Heart rate, blood oxygen, movement, skin temperature: it reads all of it constantly. None of that data matters if the apps meant to int… [+4504 chars]Read More