A system and method of conducting electronic commerce is provided in which phantom advertising response clicks are reduced by inhibiting automated click-through access to an advertised Internet website. A security system is provided that makes it difficult, if not impossible, for automated systems to...http://www.google.fr/patents/US20050080685?utm_source=gb-gplus-shareBrevet US20050080685 - Internet commerce access security system and method
Internet commerce access security system and method
