The document discusses a 3 step process for feature injection which includes identifying goals, gathering requirements through techniques like personas and use cases, and developing scenarios. Step 1 involves finding targets through powerful questions. Step 2 collects requirements using methods such as UML diagrams and effect maps. Step 3 is the creation of scenarios written in a specific format from the perspective of a user to achieve a goal. Examples are provided such as a scenario to increase sales through customer registration and another to stop spam bots on a forum through captcha.