As nostr:npub1s5yq6wadwrxde4lhfs56gn64hwzuhnfa6r9mj476r5s4hkunzgzqrs6q7z mentioned in this recent podcast on Information and the creator of Information Theory, the true information is in the surprises in the message.

“Dear Madam/Sir” and “best regards” don’t convey much, if any, information at all.