How does an ad-serving client use DoubleClick’s technology to target or select which ad to deliver?
Our clients store their ads on DoubleClick’s ad servers. When you visit a Web page on which a client is using DoubleClick technology to deliver ads, coding that the website publisher placed in the Web page tells your computer’s browser to send a request for an ad to the DoubleClick ad server. When the DoubleClick ad server receives a request, it will select an ad based on the criteria that the client has chosen together with any information logged against the unique cookie id. For example, a client’s website may attract an audience of mainly men, aged between 18 and 45, who are interested in sports, fashion and electronic gadgets. The client will therefore approach sports, fashion and electronic gadget retailers to see if they would like to advertise on the site. Those retailers will provide the client with ads, which the client will store on the DoubleClick ad servers. The client will assign those ads specific codes, such as sports = 1, fashion = 2, and electronic gadgets = 3. On the
