Automatically update friends' address books with the information you want them to have oomphlink automatically updates your address book when your contacts change their information. (1) You set up your profile with your information. You add phone numbers, e-mails, addresses, Facebook links, and anything else. (2) You add contacts. (3) When you get a new phone number, you move, etc., you update your oomphlink profile, and all of your contacts will automatically have your new information in their existing address books.