Talking about writing on a phone?

Earlier today, I had a conversation by chat, about the difficulties of communicating.  And I got the feeling that is gets harder and harder to communicate.  The ways of how we communicate have multiplied like plot bunnies,  but has our ability to communicate (well) grown as much?

How many different ways of communicating can you think of.  and have you thought about the less obvious ones?  (sign language, signs, hugging, …)  feel free to communicate any more I have not yet listed.