36. The system of claim 35 , wherein said charges are electronically and automatically generated on a periodic basis in accordance with said payment plan.
35. A system for on-line advertising in electronic commerce comprising: means for selecting a business listing in accordance with a unique identifier uniquely identifying the business listing; means for selecting an advertising service from a menu displaying a plurality of available advertising services, each of said advertising services including: an advertisement format specific to the advertising service, the advertisement format including presentation information specific to the advertising service such that the plurality of advertising services collectively include a plurality of different advertisement formats, an associated display area in which the advertising service is to be presented, the associated display area corresponding to one of a plurality of display areas, where the plurality of display areas include: a priority placement area, and at least one other placement area, an associated advertiser priority indicating a particular order for presenting the advertising service relative to other advertising services; means for selecting a payment plan; means for creating an advertisement in accordance with a selected advertising service; means for generating an order for said selected advertising service and said advertisement; means for obtaining payment authorization; means for publishing the advertisement in said display area associated with said selected advertising service, said advertisement presented in a particular order relative to other advertisements based on said advertiser priority associated with said selected advertising service; and means for generating charges for said advertising services.