Explore the role of software architecture in agile development through this comprehensive conference talk. Delve into the definition of software architecture, its evolution in agile environments, and its place in methodologies like XP and Crystal. Examine the myths surrounding architecture in agile practices and learn how to differentiate between agile architecture and other approaches. Discover the key responsibilities of an architect and how they can contribute to a team's success. Gain insights into various architectural concepts, including components, systems, modular structures, and narratives. Understand the importance of shared understanding, terrain mapping, and quality attributes in architectural design. Investigate the relationship between Domain Driven Design and agile architecture, and explore the principles of the Agile Software Manifesto as they relate to architectural practices.