Chapter 5 :
Innovation isn’t everything; it must be combined with discipline in business practice.
Of course, every company must innovate to a certain degree, and every industry has an innovation threshold:a level of innovation firms must meet to avoid being left behind by their competitors. This threshold is higher in some industries than in others. The information-technology industry, for example, has a relatively high innovation threshold. Products become obsolete quickly, so companies must innovate constantly to stay competitive