OnlyFans
OnlyFans, the most popular by far of the adult creator sites, is projecting $2.5 billion in revenue this year — about half of Twitter’s 2021 revenue
https://www.theverge.com/23327809/twitter-onlyfans-child-sexual-content-problem-elon-musk
OnlyFans has tons of users, but can't find investors
GMV
2022: $12.5 billion