System Design

WhatsApp How it works Reddit How it works Airbnb How it works Pastebin How it works Instagram How it works Nginx How it works URL Shortener How it works X Timeline How it works Uber ETA How it works YouTube How it works Slack How it works Google Search How it works Apple AirTags How it works Amazon S3 How it works Kafka How it works Stock Exchange How it works Google Docs How it works Tinder How it works Meta Serverless How it works ChatGPT How it works Spotify How it works YouTube + MySQL 2.49B users Netflix How it works Zomato How it works Indigo How airline booking works MakeMyTrip How travel planner works BookMyShow How it works