The document introduces SAP's Customer Activity Repository (SAP CAR) tool. SAP CAR allows retailers to consolidate customer data from various sources to get a single view of customers. It provides insights into customer preferences and behaviors. When combined with SAP HANA, SAP CAR gives retailers real-time sales and inventory data needed to ensure the right products are in the right place. The document states that future installments will provide more details on how SAP CAR improves inventory transparency, reduces out-of-stock items, improves forecasting and pricing, enables personalized experiences, and supports multichannel sales.