I have a theory about FB and Twitter -- or maybe more of an observation. Anyway, back in the stone age, people had bumper stickers with little slogans on them. And in the break rooms of various places of work, there was always a bulletin board an on a corner of it there was always some faded-from-to-many-xeroxes bit of humor/racism/sports fandom/sexism/dirty joke or other us-vs.-them thing on it that people would loo…
i consider emojis as the tonal element missing from text think of it as visual intonation (o) (o) https://en.wikipedia.org/wiki/Intonation_(linguistics)
You can't find the meaning in other peoples' behavior if you just assume it's meaningless from the get-go.