Image: MrBeast
The faces on YouTube thumbnails might start to look a bit different. A lot of thumbnails feature a person with an open mouth in shock, awe, excitement, or horror because of a belief that the open-mouth face entices people to click on a video. But MrBeast, the individual with the most subscribers on YouTube, said Wednesday that he’s starting to see longer watch times on videos where his thumbnail face has a closed mouth instead of an open one.
You can see his results for yourself thanks to some screenshots he shared on X (formerly Twitter) of what appears t...
