According to a study by the Pew Research Center, 60 percent of Americans now regularly track their weight, diet or exercise activity.
The fast-growing way to do so is by using a fitness tracker. By the end of 2018, there will be 780 million wearable fitness tracking devices on the market.
As of last summer, I became one of those people. It’s a huge improvement over the notebook that I used to log everything into. Now, in addition to more easily tracking my physical activity and calorie intake, I can measure my heart rate. I can also compete against friends in activity challenges. My device even lets me set my morning alarm and lets me know how I slept during the night.
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