David Liu, CEO of Sonde Health, shares insights on the future of health data tracking, emphasizing the explosion of health monitors by Big Tech. He discusses the benefits of voice analysis for mental and physical health, and the generational shift in attitudes towards personal health monitoring. Liu highlights the importance of local data processing for privacy and security, while also tackling ethical concerns and the risks of misuse. As health data becomes ubiquitous, he calls for transparency and responsibility from both consumers and tech companies.