Bhavesh vaswani on Instagram: "👨‍💼 Interviewer: “How does Google search show results faster than you blink?” 🧠 Most developers: “Uh… caching?” Follow & Comment "PDF" for detailed notes. Imagine the world’s biggest library — and the librarian hands you your book in 0.2 seconds. That’s Google Search. Here’s how ⬇️ ⸻ 1️⃣ Pre-built Index(inverted index) 🗂️ It maps words to pages instead of searching the web live. 📖 Like checking a library catalog instead of scanning every book. ⸻ 2️⃣ Sharding &