The World Health Organization defines health technology as “the application of organized knowledge and skills in the form of devices, medicines, vaccines, procedures, and systems developed to solve a health problem and improve quality of lives.” While that’s true, it’s a pretty broad statement. In an era when we’re seeing rapid technological shifts in the way people measure, monitor, and think about their health, it’s worth focusing any discussion of health technology to a few key areas that best highlight some of the more exciting – and challenging – aspects of health technology development at this point in 2021.