A method of promoting a product or a brand in a retail store, or of promoting customer loyalty comprises the steps of analysing data determined at a point of sale relating to purchases by a customer, e.g. data from a bar-code scanner, to determine whether a customer has purchased a particular product...http://www.google.com/patents/US20030115102?utm_source=gb-gplus-sharePatent US20030115102 - Method and an apparatus for promoting a product or brand
