Wearable technologies and mobile devices are helping people better track and understand their health data, behaviors, and conditions. When combined with incentives from insurers, employers, and providers, this holistic tracking motivates users to make incremental lifestyle changes over time. The goal is a healthier population that relies less on healthcare resources. Emerging tools include devices that monitor vital signs, activity levels, and medication adherence. Experts believe these technologies will lead to more personalized, proactive healthcare by empowering patients with deeper insights into their health.