A method and a system segmenting a user viewing listings in online publications to render the listing according to a rule received from a seller. For example, the system receives one or more listings submitted by a seller. The listing comprises one or more modifiable parameters. The system also receives a rule from the seller, the rule associated with a first listing of the one or more listings. A profile is associated with a user based on data collected about the user. The first listing is rendered to the user based on the profile associated with the user and the rule by modifying the one or more parameters.