Reader Andrew Jacobs is interested in making big changes to contacts in Address Book. He writes: Recently, a large company I do business with moved its headquarters and I’d like to change the address ...

When you create a Yahoo account, you get access to a variety of services and perks, like a customizable homepage.

Address Book includes a useful feature that you may not be aware of, as it’s not really fully enabled by default. The feature is the ability to store a URL with a contact—you can see this on the Apple ...