Has there ever been a time when so many methods of communication were available in the workplace? Likely not. And yet, with all of the tools out there, people still don't hear each other.
If you ask most salespeople, they would admit that listening is their weakest quality. In part, due to impatience, but mostly because they don't know how. Or even deeper, they don't know the components or factors that make up the "why" of listening.