A method and system for providing a transactional environment including a server and one or more set-top boxes in communication with the server. The server stores product information data, which is updated in the server as soon as the product information data changes. The set-top boxes receive the product...http://www.google.fr/patents/US7752083?utm_source=gb-gplus-shareBrevet US7752083 - System for improved interactive television processing
System for improved interactive television processing