Patent ID: 7505922

Claim:
A method for modifying a previously existing electronic commerce transaction between a vendor at a vendor site and a user having access to a consumer site, wherein each of the vendor site and the consumer site are interfaced to a global communication network and have access through the global communication network to one or more remote sites, comprising the steps of: associating a unique transaction code during a new electronic commercial transaction, and unique to the new electronic commercial transaction, between the user at the consumer site and the vendor at the vendor site with the previously existing electronic commercial transaction in association with a step of delivering to the user having access to the consumer site of a communication directed to the user relating to the subject matter of the previously existing commercial transaction between the vendor site and a user of the consumer site such that the user is provided the unique transaction code in conjunction with such delivery, and which new electronic commercial transaction is one that modifies the previously existing electronic commercial transaction; enabling communication of information in a transaction packet transmitted from the consumer site to the vendor site through the global communication network, wherein the information includes the unique transaction code, and information about the user at the consumer site; and modifying electronically the previously existing commercial transaction between the vendor at the vendor site and the user at the consumer site utilizing the information in the transaction packet associating the transaction code with information about the user, wherein the modification requires only the transaction code and the information about the user.