How would edit, delete, and expiring messages work on nostr?

What type of governance models could be tried here?//“Apps focused on groups, with governance models other than admin/moderator.”

Has this been done successfully anywhere?//“Reputation/trust systems that help us model more accurately how human relationship work IRL.”

Can the customers own the relationship?//“Tools that empower small businesses and creators to more directly own their relationships with their customers.”

Better to have multiple apps for this, no?//“Apps that support multiple identities and social key backup because one person != one keypair.”