An advertisement selection system is presented in which vectors describing an actual or hypothetical market for a product or desired viewing audience can be determined. An ad characterization vector is transmitted along with a consumer ID. The consumer ID is used to retrieve a consumer characterization...http://www.google.de/patents/US6216129?utm_source=gb-gplus-sharePatent US6216129 - Advertisement selection system supporting discretionary target market characteristics
Advertisement selection system supporting discretionary target market ...