Here is a joke: A man in a hot air balloon realised he was lost. He reduced altitude and spotted a woman below. He descended a bit more and shouted, “Excuse me, can you help me? I promised a friend I would meet him an hour ago, but I don’t know where I am.” The woman below replied, “You’re in a hot air balloon hovering approximately 30 feet above the ground. You’re between 51 and 52 degrees latitude and between 0 and 1 degree longitude.” “You must be an academic,” said the balloonist. “I am,” replied the woman, “How did you know?” “Well,” answered the balloonist ”everything you told me is technically correct, but I’ve no ideas what to do with your information, and the fact is I’m still lost. Frankly, you’ve not been much help at all.” The woman below responded, “You must be an administrator.” “I am,” replied the balloonist, “but how did you know?” “Well,” said the woman, “you don’t know where you are or where you’re going. You have risen to where you are due to a...