Earlier quoted context omitted.
How is an emoji a whole new way to communicate? EDIT: I meant this as a genuine question, not as a "how could you possibly think this" response.
"Whole new way" is a bit hyperbolic, but an emoji definitely brings layers of meaning that are normally only feasible in in-person conversation into the written realm. It would be pretty hard to express the sentiment the ¯\_(ツ)_/¯ emoji can, and even if you put the effort into writing it, you'd lose the immediacy. It's also interesting how they work as reactions. If you hit "like" on something, for instance, you don'…
That's what acronyms were used for. Back in the day of AIM/ICQ I never felt I had issues expressing myself with just text. It was text supplemented with a healthy dose of emoticons and acronyms, which leads me to believe that emoji are redundant