3b (45).mp4 -

: For scientific or educational videos, integrate 3D models that allow users to visualize symmetry elements directly over the video playback. 3. AI-Driven Highlights Generation

If the video contains data or educational content (common for "Topic 3b" naming conventions), you can develop an interactive narration layer. 3b (45).mp4

: Use front-camera data to detect a user's facial expressions (like smiles or surprise) to automatically bookmark "interesting" segments of the MP4. : For scientific or educational videos, integrate 3D

: Develop a feature that creates multiple quality versions (e.g., 1080p, 720p, 480p) using 2-pass variable bitrate encoding. This allows the player to switch quality based on the user's internet speed. 2. Interactive "Data Video" Overlay : For scientific or educational videos

YouTube system design - ByteByteGo | Technical Interview Prep