The document outlines the top ten communication issues that can negatively impact teamwork: 1) failure to listen, 2) physical distance between team members, 3) cultural differences, 4) ego and attitude problems, 5) hierarchy issues, 6) poor writing, 7) gender bias, 8) focus/listening problems, 9) inadequate knowledge, and 10) cliques. For each issue, suggestions are provided on how to address the problem, such as stressing the importance of listening, conducting regular meetings, mixing up team seating, and avoiding labels. The overarching message is that effective communication is key for team success but often barriers get in the way that must be overcome.