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How does your fitness tracker know when you’re asleep?

Feb28
by on February 28, 2014 at 5:27 pm
Posted In: Analysis and Opinion, Around the Web, Gadgets, Insider

sleep
Belle Beth Cooper is the co-founder of Hello Code. This post originally appeared on the Exist blog and was republished with permission. Sleep tracking is a big part of what we do at Exist. We… Keep reading →

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