A prove of work before posting would prevent spam, maybe pay with sats beforehand to be able to post. What would you recommend in that regard nostr:npub1sg6plzptd64u62a878hep2kev88swjh3tw00gjsfl8f237lmu63q0uf63m ?

I think voice social media (Clubhouse, Airchat) is the current arc of new innovation. Voice lends itself to “many to many” (not broadcast like video), yet solves the toxicity / flame war issue found in text only.