Quote Originally Posted by Barmaley
Quote Originally Posted by gRomoZeka
Quote Originally Posted by TATY
Using just the first name would be too formal.
Mmm.. What do you mean?
It's a typo, I'm sure. INformal is what he meant to say. Would you walk up to your teacher and say "What's up, Anna?" No. You'd say "Hello, Mrs. Smith." It's the same idea in Russian, just expressed in a different way. You'd say "Добрый День Анна Николаевна."
Yep, typo!