Wearable devices have long been promoted as a means for self-empowerment to achieve health and fitness goals. But when do they stop being about your health, and become about something else instead?Wan-Jing Chen, Frequent exercise: A healthy habit or a behavioral addiction?, Chronic Diseases and Translational Medicine, Volume 2, Issue 4, 2016, Pages 235-240, ISSN 2095-882X, https://doi.org/10.1016/j.cdtm.2016.11.014. (https://www.sciencedirect.com/science/article/pii/S2095882X16300470)