System Design for SDE-2 and above: System Design for Beginners: Redis Internals: Build Your Own Redis / DNS / BitTorrent / SQLite - with CodeCrafters. Sign up and get 40% off - In the video, I discussed the importance of having a second brain for storing thoughts and learnings efficiently. I shared my preference for Obsidian over Notion due to its speed, offline capabilities, simplicity, and extensibility. I highlighted how I integrate various sources like books, blogs, articles, and research papers into Obsidian using tools like GoodNotes and Hypothesis. I emphasized the joy of revisiting old notes and the convenience of having everything organized and searchable in Obsidian, which I continuously back up on GitHub for data security. # Recommended videos and playlists If you liked this video, you will find the following videos and playlists helpful System Design: Designing Microservices: Database Engineering: Concurrency In-depth: Research paper dissections: Outage Dissections: Hash Table Internals: Bittorrent Internals: # Things you will find amusing Knowledge Base: Bookshelf: Papershelf: # Other socials I keep writing and sharing my practical experience and learnings every day, so if you resonate then follow along. I keep it no fluff. LinkedIn: Twitter: Weekly Newsletter: Thank you for watching and supporting! it means a ton. I am on a mission to bring out the best engineering stories from around the world and make you all fall in love with engineering. If you resonate with this then follow along, I always keep it no-fluff.