Gestures that feel real.
OS X Mountain Lion offers more fluid and realistic gesture responses, including rubber-band scrolling, page and image zoom, and full-screen swiping. And with animations in Mountain Lion, gestures look and feel more responsive and natural.
See gestures in action:
More ways to Multi-Touch.
Every Mac notebook comes with a Multi-Touch trackpad that lets you use a full range of gestures. With iMac, you can choose between the Multi-Touch Magic Mouse or the even more gesture-friendly Magic Trackpad. And you can add either option to Mac mini or Mac Pro. So every Mac comes ready for all the Multi-Touch advancements in OS X.