July 7, 2014November 12, 2023Analytics, Social The Big Data Challenge of Activity Trackers The activity tracker revolution Activity trackers such as the ubiquitous Fitbit, Jawbone and the Garmin Vivofit are extremely popular these days. You […] Share this:ShareTweet Share on WhatsApp (Opens in new window) WhatsApp Email a link to a friend (Opens in new window) Email