Abstract: A novel price paid database, method, system, and computer program product in which checkout items are scanned at a plurality of stores, and a checkout computer identifies the purchased items. The checkout computer determines a price paid for each purchased item. A central computer records in a price-paid database an item identification and price-paid for each purchased items. The central computer publishes the price-paid database. The checkout computer recurrently updates the price-paid database in the central computer with the price paid for each purchased item, the customer identification (if available), the store identification, and a list price for each purchased item.

Abstract: A novel price paid database, method, system, and computer program product in which checkout items are scanned at a plurality of stores, and a checkout computer identifies the purchased items. The checkout computer determines a price paid for each purchased item. A central computer records in a price-paid database an item identification and price-paid for each purchased items. The central computer publishes the price-paid database. The checkout computer recurrently updates the price-paid database in the central computer with the price paid for each purchased item, the customer identification (if available), the store identification, and a list price for each purchased item.

Abstract: A novel price paid database, method, system, and computer program product in which checkout items are scanned at a plurality of stores, and a checkout computer identifies the purchased items. The checkout computer determines a price paid for each purchased item. A central computer records in a price-paid database an item identification and price-paid for each purchased items. The central computer publishes the price-paid database. The checkout computer recurrently updates the price-paid database in the central computer with the price paid for each purchased item, the customer identification (if available), the store identification, and a list price for each purchased item.

Abstract: A method, system and computer program product for online shopping. The system on which the method and computer program product are based determines a shopping district for a customer based on customer-derived information, generates a present order list of at least one item to price, selects from a global database of retailers those selected retailers within the shopping district selling the items, and forms a selection list of the selected retailers. The list indicates the price and availability of the items on the selection list. A shopping basket including selected items and prices of the selected items is determined from the list of selected retailers. A to-be-purchased list is formed for at least a part of the shopping basket list which the customer confirms. The to-be-purchased list is used to generate purchase coupons for redemption at a confirmed retailer. Alternatively, the to-be-purchased list is direct ordered from each confirmed retailer.