>How fast might a specialty language evolve Pretty fast, actually. At least if you leave it up to kids.† † https://en.wikipedia.org/wiki/Nicaraguan_Sign_Lang

>How fast might a specialty language evolve Pretty fast, actually. At least if you leave it up to kids.† † https://en.wikipedia.org/wiki/Nicaraguan_Sign_Language https://en.wikipedia.org/wiki/Nicaraguan_Sign_Language