Confused about Nostr, zapping, and what the heck this whole open protocol thing is about?

Just listen to this song 🤙
#ZapMeMama nostr:npub1hu3hdctm5nkzd8gslnyedfr5ddz3z547jqcl5j88g4fame2jd08qh6h8nh 

https://youtu.be/5Uba9nQTxKM