> Much of human communication is useless (on the surface). Yep. It's called phatic expression (https://en.wikipedia.org/wiki/Phatic_expression https://en.wikip

> Much of human communication is useless (on the surface). Yep. It's called phatic expression (https://en.wikipedia.org/wiki/Phatic_expression https://en.wikipedia.org/wiki/Phatic_expression). No information content but sends important social signals.