Groups indeed! When I worked at IBM just out of college, my manager introduced me to someone who was getting promoted three levels up. It turned out that he h

Groups indeed! When I worked at IBM just out of college, my manager introduced me to someone who was getting promoted three levels up. It turned out that he had some months previously figured out how four people working together could evade the accounting controls and transfer $25 million out of the company on a Friday afternoon and be in Brazil or wherever (never to be seen again, presumably) before Monday. He reported the flaw in the controls and the promotion was the recognition of his acumen...