Kronum, a sport that combines soccer, basketball, rugby, and Quidditch together, failed due to excessive complexity.
Peter Drucker's book "Innovation and Entrepreneurship" from the 1980s is still relevant today in highlighting the importance of innovation as a management tool and providing practical approaches to it.
The definition of innovation is hazy and has led to cynicism from some. It is important to differentiate between innovation as a strategy, project, and competency to avoid disillusionment.