initially model the scope of the system. As you see in Figure 6, during Iteration 0 agilists will do some initial requirements modeling with their stakeholders to identify the initial, albeit high-level, requirements for the system. To promote active stakeholder participation you should use inclusive tools, such as index cards and white boards to do this modeling – our goal is to understand the problem and solution domain, not to create mounds of documentation. The details of these requirements are modeled on a just in time (JIT) basis in model storming sessions during the development cycles.