nostr:npub1ezdskdhqqxhqlesw5nvxepr9jz7n09z4z53w3phcs9l6e2u0yn3smp64yg

What Vyr said. I mostly use it when I'm making a thread of several posts. I do the first one normal and then do the rest unlisted. That way if someone clicks on the thread, they'll see the whole thing but it won't otherwise clog up their timeline.

nostr:npub1wjertnc0ekmuuvfgpw6zyx68e5lxryvglj5v02pxljwfw4jfvrmq7ekd27