Cobranding portal services and normalizing advertisements delivered

A network server (31) dedicated for the purpose of controlling the service function of disparate ad servers (23) (25) and (27) operating on the network is provided. The server (31) utilizes a data port for communicating with ad servers (23) (25) and (27) connected to the network, a data storage facility (29) for storing data, a data processing means (17) for manipulating and controlling stored data, and a software means (35) for creating, updating, and maintaining data associations among the stored data. The server (31) functions to broker advertisements from disparate ad servers (23) (25) and (27) such that they are normalized, and in some embodiments, personalized when they appear in the target interfaces.