Improving YouTube thumbnails can be a huge usability win Consider a series of lectures or DIY videos with a common setting. Pulling out a frame that captures s

Improving YouTube thumbnails can be a huge usability win Consider a series of lectures or DIY videos with a common setting. Pulling out a frame that captures something unique about the video (be it the DIY item being worked on in close-up or an important theorem on a title slide or blackboard) makes it easier for users to separate content and find specific items.