I'm curious about what algorithms process the data collected from smartwatch sensors (like heart rate, step count, stress levels, etc.) and how that information is presented back to the user? Specifically, what optimizations are applied to balance battery life and performance? In your opinion, which area in this field is showing the most progress?
How does data collection work with smartwatches?
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Well, the really curious thing is how those algorithms work their magic to process data in real time without draining the battery in two hours. Like, the whole stress detection thing based on heart rate variability… have you ever checked if your smartwatch measures that right when you wake up or only after exercise?