i find the who-cares attitude quite useful. it's about not caring what the other would think of you when you do or say or write something. it's about not being attached to the self so much that you seek praise or avoid criticism.
this doesn't mean write anything, of-course you must think about what you are writing but you must think without associating the sense self to it. you say what needs to be said and choose the words carefully.
when you disassociate the self, you simply don't care if anyone reacted with emojis on your comment or what would others think, or who has seen what you wrote and who thinks what about it. this is specially noticable when you are interacting live with an audience or while giving a talk, you would be able to focus on the talk (the important thing at hand) and the self simply won't bother you, or praises won't bloat it, or criticism won't shatter it.