That’s not totally untrue. Iirc the first cat memes were postcards people send each other at the beginning of the last century. I guess the difference is that postcards and letters only reach a single address, tweets can reach many people at once

For more info: https://www.bbc.com/future/article/20240923-100-year-old-cat-memes-that-predate-the-internet?_bhlid=1c058316a20fc3e97842651e2c5adcfa06ced996