The article discusses the differences between traditional and modern data warehouses, highlighting that modern ones leverage cloud infrastructure for improved scalability, flexibility, and return on investment. It explains how a modern data warehouse differs from its traditional counterpart in terms of location, purpose, scope, data sources, and architecture. The benefits of using a modern data warehouse include lower upfront costs, less maintenance, faster speeds, more flexibility, easier scaling, and ease of migration. The article also provides steps to follow when migrating to a modern data warehouse, emphasizing the importance of defining data goals, identifying business needs, knowing core data processes, assessing accessibility, selecting the right architecture, using data integration tools, and staying flexible.