Your question is Video Streaming System Design. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Design a video streaming service like Netflix or Amazon Prime, focusing on automatic playback across devices from watch history, and video processing/distribution. Asked in the Virtual Onsite Round 3 (System Design / HLD) stage. Evaluated on high-level architecture, drawn components, trade-offs, and feature design.