The present invention provides a system for implementing a loyalty program on a network-wide level. The system associates UPC and SKU data on a network level to reward consumers and/or to analyze the data for a variety of business purposes, such as market segmentation analyses and/or analyses relating...http://www.google.es/patents/US7613628?utm_source=gb-gplus-sharePatente US7613628 - System and method for networked loyalty program
