I see a lot of bracelets and other sensors on the market that report heart rate to some IOS/Android app. For someone who wants to collect the most biometric data possible (highest sample rate, largest number of accurate sensors) and isn't particularly locked into IOS/Android/Windows Phone/etc. what's the best device out there to collect biometric data 24x7 such that it can be exported out and recorded for disinterested posterity?
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