This document discusses principles and tools for adopting agile practices in an agency setting. It outlines key principles like embracing varied scope, using small batches to catch mistakes early, and empowering cross-functional teams. Challenges include getting clients and other organizational groups on board with new processes. Tools described that can help with outcomes like quality, innovation, and avoiding repeated mistakes include test-driven development, design thinking, large group retrospectives, story mapping, and impact mapping. The document advocates for a cultural shift toward agile principles like solving problems over predefined solutions and focusing on value over volume.