Dunno how I missed this but @gladstein has made a great intro to nostr - explaining how it works, why it's important and why the whole of the free world will end up here 😁
A great link to send curious pre-nostriches:

Reason.com
Can Nostr make Twitter’s dreams come true?
Twitter's founder says Nostr is “100 percent what we wanted”—an open, ownerless network.