Computer software and hardware (mobile and land-based, accessed locally or via the Internet) for retailers and suppliers used for head-office functions, namely, price book, promotions, inventory control, ordering, receiving, customer loyalty, one-on-one targeted marketing, and data warehouse-based reporting; computer software and hardware (mobile and land-based, accessed locally or via the Internet) for retailers and suppliers used for back-office functions, namely, as in-store ordering, receiving, inventory control, shift and employee management, reporting and sales analysis, shelf and item management, stock picking, merchandising and promotions, category management, electronic payments, merchandising and promotions; point-of-sale software and hardware (mobile and land-based, accessed locally or via the Internet), namely, cash registers and peripherals, loss-prevention and security, electronic payments, merchandising and promotions; computer software and hardware (mobile and land-based, accessed locally or via the Internet) used for self-checkout, fuel management and home-shopping; collaborative computer applications (mobile and land-based, accessed locally or via the Internet) for suppliers and retailers focusing on supply-chain management, namely, manual ordering, computer-assisted ordering, return management, new product introductions, supplier-originated promotions, market place sales analysis and reporting