Explore the groundbreaking potential of combining smartphone technology with heart monitors in this captivating 14-minute TEDMED talk. Discover how Leslie Saxon from the USC Center for Body Computing envisions a future where eight billion hearts could be monitored remotely. Learn about the journey from St. Louis City Hospital to modern heart devices, the importance of continuous data collection, and the innovative Alivecore system. Delve into the challenges of the digital divide and its impact on global healthcare accessibility. Gain insights into the diagnostic and data possibilities that emerge when cutting-edge mobile technology meets cardiovascular monitoring, potentially revolutionizing heart health management worldwide.