Before you even realize you’ve misread the tone of that email from your boss, Erica Dhawan has already clocked it, named it, and written the book on how to fix it.

Well, not literally, of course. But this leadership speaker has built an entire career on exposing the blind spots that make modern communication so messy.

“For as long as anyone can remember, human communication relied on a delicate dance of verbal and nonverbal cues,” she explains in her Mindvalley program, Digital Body Langua...