140p

The video likely worked because it visually demonstrates a common user experience with video playback quality settings, which is relatable to a broad audience. The close-up on the face and the clear visual of the menu selection make it easy to understand.

The video shows a close-up of a person's face as they interact with a video quality selection menu. The menu options include 140p, 240p, 720p, and 1080p, and the user selects 720p.