Wearable tech history and how it will play into healthcare in the future

  With the surge in wearable technology and health trackers, how will that change the way people monitor their health. How will it change personalized healthcare? How could it work with future health software? How does wearable tech increase personal control over health? How had wearable tech (like Apple watch, Samsung watch, Garmins, and Fitbits) already been used in healthcare?