The document discusses the rise of on-demand delivery services for groceries and other goods. It introduces Urbery, a company that allows customers to order groceries online from their favorite stores and have "Grocery Gurus" deliver the items using a crowdsourced model. The key benefits of this crowdsourced delivery model are optimized costs without warehouses, always fresh groceries, and improved customer service. The document also outlines best practices for building an effective crowdsourced delivery system and workforce.