Explore the hidden world of medical data usage and privacy in this eye-opening 14-minute TED talk. Discover how health information is collected, shared, and monetized in the current data-driven healthcare landscape. Learn about the concept of a "medical data shadow" and its implications for individuals and society. Examine the existing privacy laws and authorization processes surrounding medical information. Gain insights into the principles governing data usage in healthcare and the broader impact of the internet on data privacy. Consider the speaker's proposed solution for making medical data more accessible while enhancing security measures.