Real-Time-System-Design-

https://leetcode.com/discuss/interview-question/system-design/1205825/FANG-System-Design-Interview-Preparation-Master-Doc

Categorization will help a lot in reducing the number of questions/scenarios. Few examples I am listing below: Designing a storage/sharing service: Dropbox, Youtube, Instagram, etc.

Designing a service that deals with geographical data: Uber, Yelp, Lyft, etc.

Designing a social media service: Facebook, Twitter, Instagram, Snapchat, etc.

Designing a communication service: Messenger, High traffic web server, etc.

Designing a search related service: Search engine, Web crawler, etc.

Designing location sharing service: Uber, Google map, Zomato