.
├── ByteByeGo-SystemDesignInterview
│   ├── 0. Foreword.html
│   ├── 1. Join the Community.html
│   ├── 10. Design A Web Crawler.html
│   ├── 11. Design A Notification System.html
│   ├── 12. Design A News Feed System.html
│   ├── 13. Design A Chat System.html
│   ├── 14. Design A Search Autocomplete System.html
│   ├── 15. Design YouTube.html
│   ├── 16. Design Google Drive.html
│   ├── 17. Proximity Service.html
│   ├── 18. Nearby Friends.html
│   ├── 19. Google Maps.html
│   ├── 2. Scale From Zero To Millions Of Users.html
│   ├── 20. Distributed Message Queue.html
│   ├── 21. Metrics Monitoring and Alerting System.html
│   ├── 22. Ad Click Event Aggregation.html
│   ├── 23. Hotel Reservation System.html
│   ├── 24. Distributed Email Service.html
│   ├── 25. S3-like Object Storage.html
│   ├── 26. Real-time Gaming Leaderboard.html
│   ├── 27. Payment System.html
│   ├── 28. Digital Wallet.html
│   ├── 29. Stock Exchange.html
│   ├── 3. Back-of-the-envelope Estimation.html
│   ├── 30. The Learning Continues.html
│   ├── 4. A Framework For System Design Interviews.html
│   ├── 5. Design A Rate Limiter.html
│   ├── 6. Design Consistent Hashing.html
│   ├── 7. Design A Key-value Store.html
│   ├── 8. Design A Unique ID Generator In Distributed Systems.html
│   └── 9. Design A URL Shortener.html