Digital receipts are revolutionizing the retail industry by providing a dynamic stream of customer insights, enabling AI-powered personalization and transforming sales data into timely, relevant recommendations. By digitizing in-store transactions, retailers can efficiently store and analyze rich transactional data, powering real-time personalization and adaptive customer experiences. With MongoDB's flexible document model, retailers can capture detailed transaction data, including items, prices, context, and nested info like product attributes, preferences, and loyalty activity, all within a single document. This enables seamless integration with POS systems, third-party analytics tools, and customer-facing apps, reducing friction in adoption and driving more revenue, higher app adoption, and stronger loyalty. By making digital receipts easily accessible in the app, alongside personalized recommendations and seamless post-purchase interactions, retailers create a more engaging and convenient experience that keeps customers coming back.