Our editors tried the most popular models.
Read Whole Story
On the last morning of this experiment, I ran nearly as fast as Usain Bolt. Or at least that's what my Rhythm says.
Wearing the wristband and being able to check my step count any time definitely motivated me -- I wanted to break 10,000 every day, so if I was lagging, I might get off the train a few stops early and walk the rest of the way home after work.
I can't say that I would wear this again, but it was encouraging to learn that the body can burn 2000 calories in a day (workout included) just by sitting at a desk, breathing, and typing.
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn more.