This has gone mostly unremarked, and it is a serious thing that is becoming more and more useful. Recall it is all about an assemblage of abstractions that we have all agreed upon and thus can use to transmit information, particularly in regards to emotional content and context.
All that which happens face to face automatically has to be created here and it is working and evolving.
With over 700 accepted symbols we are at the point in which we need to contrive a learning cycle to bring folks quickly up to speed.
It is going to become even more interesting when we use holograms more.
Smile, You’re Speaking Emoji: The Rapid Evolution of a Wordless Tongue