Jakicic actually admitted that in the team’s hypothesis, they predicted that the devices would help the people who were tested and that the team was surprised with the results. The way Jakicic worded it, they came to the conclusion that activity trackers are simply not for everyone and some people may think they become stagnant after a while. Basically, what you need to remember, is a fitness tracker is merely a device that tracks metrics and assists you in action. But, it is still up to you to perform.