It’s a bit of a bigger read for someone who’s casually looking into Nostr but the best article I’ve seen by far for purple-pilling someone is

https://www.lynalden.com/the-power-of-nostr/

by nostr:nprofile1qqsw4v882mfjhq9u63j08kzyhqzqxqc8tgf740p4nxnk9jdv02u37ncpz4mhxue69uhkummnw3ezumtpd35kutn0dekqz9rhwden5te0dehhxarjwdshganp9ehx2aqkrad8w

It showcases some aspects of Nostr that most people have never considered (such as a frictionless payment directory) and really exemplifies why Nostr is such a powerful tool to build on.