The Monthly Mall Merchandise Index, maintained by the International Council of Shopping Centers (ICSC), reported sales per square foot in sporting goods stores and bicycle shops of $20 for July 2006.
But the FitBit is worth it because it is petite and easy to use, with user-friendly software that provides strong motivations to keep using it as a lifestyle tool instead of tossing it in the kitchen drawer. ______________________________________________________. For the latest news and analysis, follow @wsjd.
The Charge 2 is certainly the cheapest fitness tracker that can give you an estimate of this statistic (a few high-end Garmin and Polar devices measure it as well), but Fitbit translates it into a cardio fitness score that places you on a spectrum for people of your sex and age.