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In the video, I discussed the importance of authorization in preventing platform abuse, using Instagram's privacy settings as an example. I explored how Airbnb manages authorization through their inhouse service, Himaji, detailing its architecture and design decisions for scalability and robustness. Additionally, I introduced my system design course focused on realworld systems building, with testimonials from engineers at top companies. I explained the concept of granular access control through examples and delved into the complexities of authorization in microservices architecture, emphasizing the need for a centralized authorization service like Himaji at Airbnb.

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