System Design

WhatsApp How it works Reddit How it works Airbnb How it works Paste Pastebin How it works Bluesky How it works Nginx How it works URL URL Shortener How it works Twitter Timeline How it works Uber Computes ETA 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 Market 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 Uber Nearby Drivers 1M requests/sec YouTube + MySQL 2.49B users