Gaunt says twerking, based on an African dance, began in New Orleans and spread thanks both to the dispersal of people from that region after Hurricane Katrina and the launch of YouTube, which happened the same year 2005.
But like adults, lots of kids are looking for fame and exposure online.
They are sometimes shot from far away and sometimes zoomed in close on a shaking ass.
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.
Users must join the YouTube partner program to monetize their videos.
But that battle may be lost already.