What kind of human interaction do you get out of some bored 15 year old girl at the supermarket? For me it doesn't go beyond "hello" and "bye". Maybe it's somet

What kind of human interaction do you get out of some bored 15 year old girl at the supermarket? For me it doesn't go beyond "hello" and "bye". Maybe it's something to do with culture. Anyway I looked up some data and over half the customers in my country use the self checkout now.