Patent ID: 7680702

Claim:
A system for purchasing a product comprising: at least one computer processor; at least one memory coupled to said at least one computer processor; at least one subsystem controlled by said at least one computer processor that receives from a mobile device at least price and seller identification data of a product wherein at least the price of said product having been electronically read by the mobile device; at least one subsystem controlled by said at least one computer processor that receives from the mobile device, product identification data of the product; at least one subsystem controlled by said at least one computer processor that compares price information of products determined to be similar; at least one subsystem controlled by said at least one computer processor that communicates results of the comparing price information of products to the user of the mobile device; at least one subsystem controlled by said at least one computer processor that charges a user of the mobile for the product if an authorization indication is received from the mobile device of the user after the transmitting the results of the comparing of price information; at least one subsystem controlled by said at least one computer processor that places an automatic individual purchase for an item if based on the results of the comparing of price information, the product is less expensive than a product whose price was electronically read by the mobile device; and at least one subsystem controlled by said at least one computer processor that automatically places products in a list on the mobile device for future purchase in one transaction with other products whose price was electronically read by the mobile device at a same store, if said products from the same store had prices less than or equal to that of compared products based upon the results of the comparing of price information.