As educators who teach marketing, management, and computer information systems, we can't even count the number of times we have conveyed the concept of the life cycle diagram. We've used it to indicate how consumer and business products move from development to decline, as well as how technology moves from innovation to decline and computer programming moves from code to action. Regardless of the discipline, the basic principles are the same: something advances from stage to stage and is impacted by changes in the situational environment.