U.S. News & World ReportLike gym memberships, enthusiasm for fitness trackers drops - US ...U.S. News & World ReportFILE - 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 ...Like gym memberships, enthusiasm for fitness trackers drops | Daily ...Daily MailFitness trackers seem to be going nowhere fast | Dallas Morning NewsDallas Morning NewsLike gym memberships, enthusiasm for fitness trackers dropsNew Zealand Heraldtất cả 59 bài viết »