Deseret NewsLike gym memberships, enthusiasm for fitness trackers dropsDeseret NewsFILE - In this Dec. 15, 2014, file photo, fitness trackers, from left, Basis Peak, Adidas Fit Smart, Fitbit Charge, Sony SmartBand, and Jawbone Move, are posed for a photo next to an iPhone, in New York. Although sales of fitness trackers are strong ...Fitness Tracker Sales Are High, But So Are Abandonment RatesHuffington Posttất cả 73 bài viết »