1. An interactive consumer marketing system comprising: a) a wireless data collecting device for use by a customer at home or within a shopping establishment, said wireless data collecting device including a scanner for reading identification codes on products of interest and a memory for storing a product list; b) a comprehensive database for storing information relating to products available for purchase within the shopping establishment; and c) an intermediate consumer presentation device, comprising i) a communications link for communicating with the wireless data collecting device and the comprehensive database; ii) a data aggregator for correlating the products on the product list and the information stored in the comprehensive database; iii) a display for presenting to the consumer an enhanced presentation of products on the product list and information stored in the comprehensive database.