Yitka Dvorak is Wings Over the World's director of marketing and has just dumped a set of use cases on the table in front of you. “I thought you said these things were just simple stories. How am I supposed to figure them out if I have to keep jumping from one story to another?”
You glance at the diagram representing the use cases and immediately see the source of the confusion. It resembles the plans for an oil refinery's plumbing more than functional requirements. The use cases are loaded with includes and extends relationships, and even a couple of generalizations. Some of them contain a dozen includes relationships, and includes on includes. No wonder Yitka is so ...
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