Drucker claimed that any business had only two primary functions: marketing and innovation. But in the quest for innovation, companies can overlook the importance of small changes that reap big rewards.
Entrepreneur Joe Cossman, for instance, was an unbelievably productive innovator who thought of so many new product innovations that it was a miracle that he found the time and resources to pursue even a small percentage. But somehow he exploited enough to become extremely wealthy, mainl...
