Ever wondered how apps like Instagram, Netflix, or Uber handle millions of users without crashing? In this video, we break down the step-by-step process of scaling a system from zero to millions of users, based on Chapter 1 of System Design Interview: An Insider's Guide by Alex Xu. Learn how to separate servers, add load balancers, scale databases, use caching, CDNs, microservices, and more! Whether you're preparing for a system design interview or just curious about how tech giants work, this video is for you. Don’t forget to like, subscribe, and share!