Digital receipts are gaining traction in the retail industry, allowing retailers to unlock a dynamic stream of customer insights and deliver AI-powered personalization. By digitizing in-store transactions, retailers can efficiently store and analyze rich transactional data, powering real-time personalization and adaptive customer experiences. Digital receipts enable tracking of items, frequency, and context, allowing real-time linking of in-store purchases to customer profiles for more accurate, timely offers. With MongoDB's flexible document model, retailers can centralize transaction data from all stores into a consistent and accessible format, ensuring each purchase is reliably linked to a customer identity. This enables seamless integration with POS systems, third-party analytics tools, and customer-facing apps, reducing friction in adoption and driving business impact through better personalization, increased revenue, and stronger loyalty.