Someone I know wanted to have a movable white rectangle on the screen to cover up things (for a presentation). They had a creative solution: open a “10h white b

Someone I know wanted to have a movable white rectangle on the screen to cover up things (for a presentation). They had a creative solution: open a “10h white background” video and used Firefox's picture-in-picture feature. Unfortunately, the recommendation algorithm picked up on this, and started recommending a bunch of similar videos...