Is the leading start-ups management model not cutting it anymore ? Let’s face it, I’ve neverÂ really be part of those who have praised these types of management models, which often isÂ more a myth than reality. Business model and management are two different things. So if start-ups can now teach companies new things about business models and customer focus, this is not really the same story for management. But when the business reaches out, what is left?