An advertiser can easily manage their advertising campaign based on a budget and other information that they are most familiar with, e.g., the length of time for...http://www.google.es/patents/US20050065844?utm_source=gb-gplus-sharePatente US20050065844 - System and method for managing an advertising campaign on a network B???squeda avanzada de patentes N???mero de publicaci???nUS20050065844 A1Tip