A system for targeting advertising content includes the steps of: (a) receiving respective requests for advertising content corresponding to a plurality of mobile communication facilities operated by a group of users, wherein the plurality includes first and second types of mobile communication facilities...http://www.google.com.hk/patents/US20120010970?utm_source=gb-gplus-share專利 US20120010970 - SYSTEM FOR TARGETING ADVERTISING CONTENT TO A PLURALITY OF MOBILE COMMUNICATION FACILITIES
