Abstract: A system for developing and managing advertisement campaigns comprising an ad development module; a campaign development module; an inventory control module; a messaging module; a prospect event tracking module; and a central data store; wherein the campaign development module allows users to create new ad campaigns; wherein the ad development module enables users to create new advertisements; wherein the inventory control module allows a user to search for vehicles that meet certain criteria and to view data on selected vehicles; wherein the messaging module manages communications within a dealership, between the dealership and customers, and between the dealership and vendors; and wherein the prospect event tracking module links prospective buyers to interactions with the dealership. A method of using the above system to develop and manage advertisement campaigns.