If I've had a significant conversation with them and it's not socially inappropriate to ask for a photo, then I'll probably ask for a photo. If not, then I plan

If I've had a significant conversation with them and it's not socially inappropriate to ask for a photo, then I'll probably ask for a photo. If not, then I plan on just writing a brief description of the general circumstances that we met. E.g. "The teller at XYZ bank that helped you set up a company bank account"