I really want to go back in time and and tell tales about the the 21th century. About our music, movies, the internet, smartphones, how porn is now common place

I really want to go back in time and and tell tales about the the 21th century. About our music, movies, the internet, smartphones, how porn is now common place and available to everyone, even children. And then watch them struggle to comprehend the situation. Edit: Why the downvote? It would be so awesome to see the jaws drop.