The IndependentFitness trackers are hot, but do they really improve health?The Denver PostFitness trackers — from left, Basis Peak, Adidas Fit Smart, Fitbit Charge, Sony SmartBand, and Jawbone Up Move — grab a lot of data: how many steps you've taken, where you've run, how many calories you've burned, how fast your heart is beating, how ...How accurate are fitness trackers? 10000 steps is not a magic ...The IndependentCan wearable fitness trackers take control of your life?Sydney Morning HeraldFitness trackers are hot, but do they really help?Waterloo Cedar Falls Couriertất cả 15 bài viết »