An ordering of advertisements requested by an ad consumer is based on scores generated for the ads. In each case, a score may be a function of at least one performance parameter associated with the ad and/or a price parameter associated with the ad. The ad consumer may generate presentation information...http://www.google.co.uk/patents/US20030046161?utm_source=gb-gplus-sharePatent US20030046161 - Methods and apparatus for ordering advertisements based on performance information and price information
