cafe-society.news allows RSS feed readers to train an ML model to filter out unwanted content. (thumbs down on enough Craig Wright stories, and eventually he longer show up in your RSS feed).

We just added support for the global nostr feed #blockathon

soon - ability to list ML models subscriptions for sale via nostr event types, and will set up a flow to publish model updates to subscribed users. (subscribed users are nostr accounts that have zapped the model publisher)