Fitbit Alta HR review: The best fitness tracker for most people

I’ve said it before and I’ll say it again: The best activity tracker is the one you’ll actually wear every day, otherwise there’s no point in buying one at all. Fitbit’s new $150 Alta HR is the one most people would wear not just every day, but all night—and that’s worth every penny. At a glance, the Alta HR looks identical to its predecessor, last year’s original Alta. It’s a slim bracelet with an OLED screen that wakes to show the time when you raise your wrist and responds to…

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