--- title: "SWAPNIL KATHALE (@swapnilk-06) | Hashnode" description: "What can I say? Read the latest articles by SWAPNIL KATHALE on Hashnode." url: "https://hashnode.com/@swapnilk-06" --- @swapnilk-06 # SWAPNIL KATHALE @swapnilk-06 · Pune,India · Joined January 2025 What can I say? ### [Where RAG Fails: Understand the Limitations](https://genai-swapnilk.hashnode.dev/where-rag-fails-understand-the-limitations?utm_source=hashnode&utm_medium=feed) RAG improves the quality of answers by giving the model better information to work with—it does not replace careful system design. 9 min read · [genai-swapnilk.hashnode.dev](https://genai-swapnilk.hashnode.dev/where-rag-fails-understand-the-limitations?utm_source=hashnode&utm_medium=feed) [Jul 19](https://hashnode.com/posts/where-rag-fails-understand-the-limitations/6a5d1812358d8b57b9f343a9) ### [Behind the Magic Work: How ChatGPT Actually Understands Your Questions?](https://genai-swapnilk.hashnode.dev/behind-the-magic-work-how-chatgpt-actually-understands-your-questions?utm_source=hashnode&utm_medium=feed) Let’s break down exactly how machines understand human language... 8 min read · [genai-swapnilk.hashnode.dev](https://genai-swapnilk.hashnode.dev/behind-the-magic-work-how-chatgpt-actually-understands-your-questions?utm_source=hashnode&utm_medium=feed) [Jul 1](https://hashnode.com/posts/behind-the-magic-work-how-chatgpt-actually-understands-your-questions/6a455290567f48d85474d4f4) ### [Expo Router vs React Navigation: Which One Should You Use in 2026?](https://mobile-dev-swapnilk.hashnode.dev/expo-router-vs-react-navigation-which-one-should-you-use-in-2026?utm_source=hashnode&utm_medium=feed) Moving Beyond Boilerplate: The System Design Shift in Modern React Native Apps 8 min read · [mobile-dev-swapnilk.hashnode.dev](https://mobile-dev-swapnilk.hashnode.dev/expo-router-vs-react-navigation-which-one-should-you-use-in-2026?utm_source=hashnode&utm_medium=feed) [Jun 3](https://hashnode.com/posts/expo-router-vs-react-navigation-which-one-should-you-use-in-2026/6a20844f02f7c5ee1fae76f5) ### [How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router](https://mobile-dev-swapnilk.hashnode.dev/how-instagram-whatsapp-uber-netflix-would-be-built-today-using-expo-router?utm_source=hashnode&utm_medium=feed) Code is Easy, Scalable Architecture is Real Engineering. 7 min read · [mobile-dev-swapnilk.hashnode.dev](https://mobile-dev-swapnilk.hashnode.dev/how-instagram-whatsapp-uber-netflix-would-be-built-today-using-expo-router?utm_source=hashnode&utm_medium=feed) [Jun 3](https://hashnode.com/posts/how-instagram-whatsapp-uber-netflix-would-be-built-today-using-expo-router/6a2026ba54e8a60fa0f9ea23) ### [How Instagram Stores Reels, Photos, and Drafts Behind the Scenes](https://mobile-dev-swapnilk.hashnode.dev/how-instagram-stores-reels-photos-and-drafts-behind-the-scenes?utm_source=hashnode&utm_medium=feed) Where Does Instagram Store Your Saved Drafts? 5 min read · [mobile-dev-swapnilk.hashnode.dev](https://mobile-dev-swapnilk.hashnode.dev/how-instagram-stores-reels-photos-and-drafts-behind-the-scenes?utm_source=hashnode&utm_medium=feed) [May 31](https://hashnode.com/posts/how-instagram-stores-reels-photos-and-drafts-behind-the-scenes/6a1c7ce5ab609916501dc669)