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🏗️System Design

How tech giants architect at scale — distributed systems, database choices, caching strategies, and the infrastructure behind billions of requests

All 🚀Origin Stories 📉Rise & Fall 🎭Iconic Moments ⚙️Tech & Code 🧠Lessons & Strategy 🎨FullStack 🏗️System Design

Move Fast and Don't Break Everything: How Facebook Built the Architecture Behind 3 Billion Users

🏗️ system design

14 min read

Move Fast and Don't Break Everything: How Facebook Built the Architecture Behind 3 Billion Users

In 2004, Mark Zuckerberg's PHP app served 1,200 Harvard students. By 2024, it served 3 billion users with 99.999% uptime. This is the system design story of the most scaled social network ever built.

A Million Strangers' Couches: The Architecture That Turned Airbnb From a Dying Startup Into a $100B Platform

In 2008, three broke designers rented air mattresses to strangers. By 2023, their platform handled 100 million bookings a year. This is the system design story behind every 'Book Now' button.

AirbnbSystem Design+2

Feb 12