Google Contacts
http://www.google.com/contacts
Google ContactsGmail, MobileMe, Address Book synced contacts sanity - Derek Punsalan - 5ThirtyOne
A personal site by Derek Punsalan sharing personal interests with technology, WordPress, design, and general geekery.
Annotated link http://www.diigo.com/bookmark/http%3A%2F%2F5thirtyone.com%2Farchives%2F1871The Complete Guide to Creating a Consolidated, Master Contact List