Exhausting to do for a long period, and requires a direct and deliberate sight line to work - there will be no shouting “fire”.
It’s actually been suggested the earliest languages could have been sign languages, since other apes don’t fully voluntarily control their noises. I would guess the above are why we moved on.
I would prefer some kind of sign language
Exhausting to do for a long period, and requires a direct and deliberate sight line to work - there will be no shouting “fire”.
It’s actually been suggested the earliest languages could have been sign languages, since other apes don’t fully voluntarily control their noises. I would guess the above are why we moved on.