Abstract: Purchasing of advertising is facilitated via an electronic auction. A purchase price is set, and includes an amount that an advertising purchaser is willing to pay for advertising. Advertising sellers are informed of the purchase price. The electronic auction is conducted via a website interface maintained on a computer network. Bids posted by the advertising sellers are received. The bids include a quantity of advertising the advertising seller is willing to provide in exchange for the purchase price. A winning bid is identified based at least in part on the quantity of advertising each of the advertising sellers is willing to provide.

Abstract: The impact of a web site on an intent of a web site viewer to take a desired action relating to a product or service is measured. The web site includes a collection of web pages that display information relating to the product or service. The viewer is presented with a plurality of questions related to the web site. At least one of the questions is presented upon the viewer exiting the web site. A response to at least some of the plurality of questions is received from the viewer. Based on the response, a metric is calculated, indicating the impact.

Abstract: A method for facilitating purchasing of advertising via an electronic auction. A purchase price indicating the amount that an advertising purchaser is willing pay for advertising is set. A bid from potential advertising sellers is received over a computer network. The bid includes a quantity each potential advertising seller is willing to provide in exchange for the purchase price. A winning bid is identified based on the quantity of advertising each potential advertising seller is willing to provide.