Disclosed herein is a system for allowing a remote user to purchase, over a distributed computer network (e.g., the Internet), an option for a ticket and/or accommodations for a “contingent event”, e.g., an event which is certain to occur but for which the participants, content and/or location(s)...http://www.google.fr/patents/US20080091569?utm_source=gb-gplus-shareBrevet US20080091569 - CONTINGENCY-BASED OPTIONS AND FUTURES FOR CONTINGENT TRAVEL ACCOMMODATIONS
CONTINGENCY-BASED OPTIONS AND FUTURES FOR CONTINGENT TRAVEL ACCOMMODATIONS
