Huffington PostFitness Tracker Sales Are High, But So Are Abandonment RatesHuffington PostNEW YORK (AP) -- Deepak Jayasimha's fitness tracker is now with his father-in-law in India, where it sits unused. Annabel Kelly foisted hers off on the kids. Virginia Atkinson took hers off to charge the battery and hasn't picked it up since February ...Are fitness trackers just a fad? | Stuff.co.nzStuff.co.nzThe Sad Truth About Millions of Fitness Trackers | Money Talks NewsMoney Talks News (blog)Fitbit Charge HR Vs Fitbit Surge Vs Jawbone UP3: The Best Fitness ...Bidness ETCSci-Tech Todaytất cả 20 bài viết »