Explore the inner workings of Instagram's content delivery system through a detailed dev tools analysis in this 27-minute video. Dive into the platform's architecture, examining the mix of legacy REST API and GraphQL implementations. Learn about Instagram's request handling, API structure, and potential use of WebSockets. Gain insights into security measures and origin policies. Follow along as the video breaks down each component, using "The Rock" as a subject for demonstration. Enhance your understanding of modern web application architecture and API design through this comprehensive technical exploration.