What’s wrong with "'til"? Why tiny words control conversations. How many cookies?

1067. Think "'til" is a valid alternative to "until"? Think again! We learn about the difference between "till" and "until" and why many style guides frown on "'til." Then, we uncover the hidden power of interjections—words like "um," "huh," and "mm-hmm"—and how they help us negotiate meaning, keep conversations flowing, and even challenge artificial intelligence.