Software that allows users to scan grocery and department store items and enables users to make electronic payments for the goods; software that allows grocery and department store customers to access order history and coupons, and enables users to scan and pay for store products; Downloadable computer software that enables users to make electronic payments for purchases; Computer software and hardware for processing payments; radio-frequency identification (RFID) readers; radio-frequency identification (RFID) tags; software that enables store customers to use a wireless mobile device to scan store products, add them to their cart and pay for the products by telephone, dedicated pay stations, or through electronic payment; software that enables store customers to access coupons and recipes on wireless electronic devices; apparatus for electronic payment processing; computer software for searching, organizing, and tracking information regarding consumer products and consumables; Mobile phone software and computer software for mobile digital devices that enables users to access coupons, price-comparison information, product reviews, and discount information, that enables purchases, that enables order fulfillment and shipment of goods on a regular, semi-regular or one-time basis, that enables electronic payments for purchases, that enables users to create, organize and share shopping lists for personal use or use by others, that enables the transmission of messages among computer users, that enables users to upload, post, display, share or provide electronic media or information in the fields of virtual communities for social networking, that enables file sharing, exchanging data, processing and transmitting images, graphics, audio, video, and text, enables product search, item search and product suggestions all marketed to consumers; software for use in the field of grocery stores and retail department store services; computer application software for wireless mobile devices to enable users to access and receive product alerts, discount offers and electronic consumer coupons for immediate or future use by consumers at retail grocery stores and retail department stores; consumer coupons for retail grocery stores and retail department stores downloaded from a global computer network