nostr:npub18ams6ewn5aj2n3wt2qawzglx9mr4nzksxhvrdc4gzrecw7n5tvjqctp424 created the perfect starting point about the basics of Nostr that anyone can follow. Very shareable for Non-nostriches. 
https://www.youtube.com/watch?v=NVm_jGdwTjQ