A profit give-back device, profit give-back method, program storage medium, profit give-back system, content providing device, content providing method, program storage media, and content providing system are disclosed. Profits give-back processing is performed according to the accumulated points proportionate...http://www.google.fr/patents/US20020046097?utm_source=gb-gplus-shareBrevet US20020046097 - Profits give-back device, profits give-back method, program storage media, profits give-back system, content providing device, content providing method, program storage media, and content providing system
Profits give-back device, profits give-back method, program storage media ...