Harry Potter will last. I have not read it but god it is everywhere. I cannot escape it, maybe it's less referenced in Asian cultures. Videogames: I don't play much. But Mario seems likely. Minecraft and Fortnite are very big right now, but they lack memorable main characters so I doubt they survive 25+ years. Music: None of my favorites but Kanye might have 1 song remembered in 50 years. I know friends who got into…
There are oceans of forgotten works out there, we just——by definition——have forgot about them.
Yes Harry Potter has sold lots of books, but how do you compare that to black beauty? It sold maybe a 10th but in a time of smaller markets. People still know of black beauty but it isn’t a cultural force——more a peculiarity of the time.
For sure some things written this century will be around in the year 3000, it’s just impossible to say what.