A question on last line of the article : So Do most nostr apps figure out what relays to read from or is it a user's burden to update their relays list ?

I remember around maybe 15 years ago when I was in College, I used to write/draw something on page n send it via bluetooth to a friend in class as a message. Bitchat is its realisation, pretty cool.

Hello Zaps! My First zap perhaps?

Wassup?

Hello World! #introductions

hello world, I just made this account on https://nostr.com! #introductions