But we do know how to work though that gray zone. The improvement kata, the means by which processes are improved, is a way of experimenting, and we can apply it to almost any sort of process. So when I say you need to become an experimenter, it does not mean that you have to start a separate activity. We can continu- ously improve and adapt, train people, and develop our organization culture simultaneously, with the same activity. In fact, this describes quite well how Toyota goes about it