Originally Posted by
EasternTraveler
If someone addresses you by your first name, no matter who it is, you should say directly "I'm sorry, I don't remember you, where did we meet?" response "You addressed me by my given name, people only do that when they are a close friend, relative or are rude and disrespectful. You weren't being rude and disrespectful were you?"
If enough people did that, the problem might go away.
Different norms in different places and generations. I've got no problem with people calling me by my first name, and I suspect that's true for most other urban Americans below 35.