One researcher suggested that, alternatively, YouTube consider a mechanism by which teens could specify that only people under 18 be allowed to comment.
In the video, one of the girls wears a Hannah Montana t-shirt, another is wearing a pink tutu, and the third is in pink and white pajamas.
Three years ago, a nine-year-old girl decided to make a twerking video with her two cousins.
Here the theft is more direct.
Many of the videos that remain up have been discovered by predatory audiences.
Gaunt says 35% of the videos she collected have been stolen and re-posted by men who are monetizing the content or using it to build their own YouTube following.