Wearable fitness trackers are all the rage. They measure your heart rate, sleep, eating habits, and more. They follow you on your wrist wherever you go. And insurance companies and law firms are keenly aware of this. FuelBand, Fitbit, Jawbone and other such exercise gadgets store personalized data about their wearers, so that it may afterwards be analyzed. While intended for a user’s own benefit, this gold mine of information is presently being used in a personal injury case in Calgary, Alberta. While it is a Canadian case, the implications of it are gathering international attention.. It could be the first time objective evidence is available to quantify an injured party’s loss, instead of the traditional way of gathering medical evidence (i.e., booking a medical appointment and self-reporting …