Originally Posted by Reba

That kid at WoW is wrong. People should include some words that might be new to the other people in their crowd. That doesn't mean talking "above" everyone else, or sounding like an English lecture. But sprinkling a few "advanced" words into a conversation stretches the vocab brain "muscle" and makes it stronger. That's how we learn--exposure to new words, new ideas, and new experiences!

Suppose grownups spoke "baby talk" to kids all the time. How would the poor kids learn their language? (Same with sign languages. How would CODA kids learn to become fluent in signing if their parents just used "baby signs"?)