Often nobody really knows where these unwritten rules came from, but like the new monkey, new recruits pick them up very quickly, despite the best intentions of induction and orientation programs .The way staff speak to management, to customers and to each other gives subtle but strategic clues to an organization’s culture, as do the differences between what is said, decided or promised, and what actually gets done. New staff quickly learn when their ideas and opinions are listened to and valued, and when it’s better to keep them to themselves. They learn which assignments and aspects of their performance will be checked and evaluated, and whose objective and instructions they can safety ignore. Monkeys may be more direct but work culture is every bit as effective at enforcing unwritten rules as a good beating.