A system and method for funding a collective account via aggregating usage of electronic tags is disclosed. The system and method promotes the use of electronic tags, and the funding of collective accounts that may be associated with charitable or other philanthropic causes. Further benefits may be realized...http://www.google.com.hk/patents/US6945453?utm_source=gb-gplus-share專利 US6945453 - System and method for funding a collective account by use of an electronic tag
