Contacts (previously Address Book) has long allowed you to select one or more cards and choose Card > Merge Selected Cards to help you clean up Read More
If you select more than one contact in iChat or Apple’s new Messages beta for Mac (hold ⌘ or ⇧ when selecting multiple people in your Buddies Read More
When purchasing a ringtone from iTunes Store on the device, you can immediately set it as the default ringtone or assign it to a contact during Read More