The data vending machines in just the idea of nostr:npub1l2vyh47mk2p0qlsku7hg0vn29faehy9hy34ygaclpn66ukqp3afqutajft that you can create the content curation algorithms you please (with an open free market of AI data vending machines, but that's another story 😉)

Coracle has this feature that you can search for your network. Primal also has this but just for PC now