A system and a method are provided for an online address directory that may be updated by the address owner in real time, via the Internet, the telephone, wireless web, or otherwise. The address entry may contain an address for the address owner, together with beginning and ending effective dates for...http://www.google.co.uk/patents/US7254549?utm_source=gb-gplus-sharePatent US7254549 - Real-time addresses for direct mail using online directories
