Patent ID: 8635121

Claim:
A system comprising: a memory to store a listing created by a seller, the listing describing a plurality of attributes of an item for sale by the seller, including purchasing information; and one or more processors to implement: a user behavior module configured to associate a profile with a user based on at least one characteristic of the user determined from data collected about the user's activities on a network commerce system, the profile selected from a plurality of profiles, each respective profile of the plurality of profiles associated with a group of users that have a common characteristic that is different from each of the other users associated with the plurality of other profiles; a rules module configured to receive a plurality of seller-specified rules, each rule specifying a modification of one of the plurality of attributes in the listing for a given profile in the plurality of profiles; a modification module configured to modify one of the plurality of attributes described in the listing by applying a rule from the plurality of rules corresponding to the particular profile associated with the user.