If you post a note on someone else's profile, they will receive a notification for that note.
Notes. (Profile)

Thank you, I appreciate that, my topic is about the notes in the profile. Sometimes I open a friend's profile to leave him a note. I couldn't find anything to post. Very few have that option.
The idea I'm talking about is like Facebook. As for Chesscom, there are notes on every profile. I want to write a note on my profile and have notification reach all my friends.
As for Notes on the profile, they are no longer useful, and no one cares to leave a note to his friends. Also, I did not find it in most profiles to the point that sometimes I write to myself, and the idea came from here when I write to myself. Is it possible reach for friends to be notified of the note and have it be a kind of chat and communicate more with friends, regardless of creating a forum?