A boom in fitness trackers isn’t leading to a boom in physical activity – men, women, kids and adults in developed countries are all moving less
Worldwide sales of fitness trackers increased from US$14 billion in 2017 to over $36 billion in 2020. The skyrocketing success of these gadgets suggests that more people than ever see some value in keeping tabs on the number of steps they take, flights of stairs they climb, time they spend sitting and calories they burn. The […]