11. The computer-implemented method of claim 1 further comprising: accepting, by the computer system, an election by the advertiser associated with the advertiser landing Web page to allow the at least one supplemental advertisement to be rendered with the advertiser landing Web page; transmitting, by the computer system and to induce presentation on the user device, the advertiser landing web page referenced from the selected at least one advertisement and the at least one supplemental advertisement determined by the computer system; providing, by the computer system, compensation to the advertiser associated with the advertiser landing page for allowing the at least one supplemental advertisement to be rendered with the advertiser landing Web page.
13. The computer-implemented method of claim 11 wherein the compensation to the advertiser is an advertising network credit.