What is caveman science fiction?

Caveman science fiction is a subgenre of science fiction that imagines a world where cavemen exist alongside advanced future technology. This concept of blending primitive society with advanced technology has been explored in various forms of media including books, movies, and video games. The themes of these stories typically explore questions of human progress and the evolution of society, as well as the potential consequences of technological advancement. The stories may also include conflicts between the cavemen and the technologically advanced humans, and the integration of caveman culture into futuristic society. Some popular examples of caveman science fiction include the movie "The Flintstones" and the book "The Clan of the Cave Bear" by Jean M. Auel.