Abstract: A system for using machine-readable indicia to provide additional information and offers to potential customers, the system comprising a network-connected server adapted to receive coded information from mobile devices, a database coupled to the server and containing data pertaining to products, a software application executing on the server for processing the coded information, and a plurality of labels containing machine-readable indicia and posted near products for sale, is disclosed. According to the invention, on receiving coded information from a mobile device, the server provides the data to the software application, and the software application determines from the coded information a location from which the information was obtained and a product to which the information pertains, and, based at least in part on the location and product information obtained, the application obtains additional data from the database and sends it to the mobile device from which the coded information was received.