This document outlines Wayfair's playbook for achieving hyper-personalization at scale. It discusses Wayfair's massive online catalog, supplier network, and revenue growth. The goals of being more programmable are to gain greater control and customization of campaigns without increasing spend. The playbook provides steps and questions for marketers, including finding the right programmable partner, deciding what to build for success, and determining core competencies to achieve goals. Building internal skills in areas like trading, data science, and custom modeling is discussed. Benefits of being more programmable include increased revenue, streamlined workflows, unified marketing, and more profit per dollar spent.