As an example, you’re having a good conversation but have to part, and the other person goes, “Oh btw are you on [social media/messaging app/whatever]?”
I think I already know what the common answer may be, but I’m curious to see how wrong I might be.
In Thailand it’s 100% Line.
Sales people for both buying a house and a car wanted to exchange Line info. They were baffled both that I didn’t have line and that I would want to exchange phone numbers.