On his first day on the job, the trainee dialed the kitchen and shouted into the phone: “Get me a cup of coffee, quickly!” The voice from the other side responded: “You fool, you’ve dialed the wrong extension!

Do you know who you’re talking to? “No,” replied the trainee. “It’s the Managing Director of the company, idiot!” The trainee shouted back: “And do you know who You are talking to, you idiot? “No!” replied the Managing Director indignantly. “Thank god for that!” replied the trainee and slammed down the phone.