I'm not sure that you can see but this woman has her tag inside out of her shirt. When she sat down in her seat on the plane, I slipped her a little note that told her so.
She looked at me and thanked me for telling her - she had no idea.
When the pilot turned off the seatbelt sign, she went and changed it.
I had a hard time deciding if I should meddle and tell her but decided to. I'm glad I did - I would want someone to tell me.