The guest on this week's nationally syndicated Motley Fool Money radio show is Ron Adner, an award-winning professor and author of the new book The Wide Lens: A New Strategy for Innovation. After one of the greatest decades in the history of business, how could Apple possibly be threatened by competition from Microsoft and others? In this audio segment, Adner discusses the blind spot that all companies must deal with and identifies the biggest potential blind spot Apple must confront in the next decade.