Since their inception some 30 years ago, use cases have been used to identify, organize, synthesize and clarify system requirements for organizations across the globe. In most recent years, they have been used in techniques such as user stories. Use-Case 2.0 is the new generation of use-case driven development – light, agile and lean – inspired by user stories, Scrum and Kanban. Although they are much more agile and lean, they still embody the same popular values from the past while expanding to architecture, design, test, user experience, and also instrumental in business modeling and software reuse. But, for the adoption of use cases to be seamless, there should be a balance of principles applied.