Columbus DispatchSales strong for fitness trackers, but owners lose interest - The ...The Denver PostAlthough sales of Fitbit and other fitness trackers are strong, many of their owners lose enthusiasm for them once the novelty of knowing how many steps they've taken wears off. One research firm, Endeavour Partners, estimates that about a third of ...Fitness-tracker interest not lasting | The Columbus DispatchColumbus Dispatchtất cả 3 bài viết »