Link your contacts with Facebook to get auto-updated details, clean up your address book

Contacts (previously Address Book) has long allowed you to select one or…

Mountain Lion has iOS-like dictation, easy shortcut

OS X has long had text-to-speech features, but Apple added dictation in…

Rearrange full-screen apps in Mission Control

If you use more than a couple full-screen apps in Lion or…

Calendar in Mountain Lion automatically adds times for some events

If you add a Quick Event to Calendar (formerly iCal) in Mountain…

Open Notification Center with a two-finger swipe from the far right

Mac App Store in Mountain Lion can relaunch running apps after updating them

If the Mac App Store finds an update available for a running…

Mail can display quick package tracking information

Like iOS 5’s support for tracking numbers, OS X Mail’s support for…