Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Of all the agile software development methodologies, outside–in software development takes a different approach to optimizing the software development process. Unlike other approaches, outside–in development focuses on satisfying the needs of stakeholders. The underlying theory behind outside–in software is that to create successful software, you must have a clear understanding of the goals and motivations of your stakeholders. Your ultimate goal is to produce software that is highly consumable and meets/exceeds the needs of your client.