An incentive network equipped with methods for distributing incentives on a network-wide basis and for permitting user access to individual incentives from any network server. In accordance with one aspect of the invention, a method performed by a server for accessing incentives in an network, comprises...http://www.google.com.hk/patents/US20020198957?utm_source=gb-gplus-share專利 US20020198957 - INCENTIVE NETWORK
