Fitness Tracker 101: Everything You Need to Know About Your New Gadget

So Santa brought you a Fitbit. Or a Jawbone UP. Or a Smart Sock. Merry Christmas! Now get to work. Here are 6 quick things to know before you get started.

Megan Humphreys

Published Dec. 27 2013 5:45AM EST 

Megan Humphreys

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