Retail Media Networks (RMNs) are digital advertising ecosystems owned by retailers, allowing them to monetize their platforms through targeted ads, offering additional revenue streams, improved retail footprint, and closed-loop reporting. The emergence of RMNs is driven by retailers like Amazon, Walmart, and Tesco, who capitalized on the surge in e-commerce and first-party data demand. Cloud Data Warehouses play a pivotal role in harnessing the power of data for RMNs, providing scalable, secure, and real-time analytics capabilities to derive actionable insights from vast amounts of consumer shopping habits, product preferences, and demographic information. Technologies like Snowflake and Census Embedded can help build robust RMNs by offering data consolidation, real-time analytics, data sharing, integration, and automation capabilities, enabling businesses to drive their Retail Media Network strategy, enhance customer experiences, and boost their bottom line.