The document describes an activity called "Keep Talking and Nobody Explodes" where participants must work as a team to defuse a bomb. It explains the roles of operators in the field who can see and interact with the bomb, and experts in headquarters who provide instructions using a manual. The document then lists common communication issues teams may face, such as providing too much or too little information, getting stuck on initial ideas without progressing, and a lack of trust or coordination between roles. Finally, it emphasizes the importance of continuous improvement in communication as the game is played.