The gadgets and apps that guru Nicholas Felton uses to monitor his every move
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How many gadgets does it take to comprehensively track your life? How about three fitness trackers, a camera on your chest, and three apps running night and day on your smartphone, plus a blood alcohol monitor? That’s what it takes for quantified-self guru Nicholas Felton—the author of nearly a decade of annual reports on the minutia of his own life, from restaurants visited to the time spent on work and play.










