The MacBook Air also supports all the Multi-Touch gestures, but, unlike the MacBook Pro, it features a one-button trackpad. Swiping to the left or right allows you to switch between open applications.
A downward swipe reveals all open windows. Four fingers: An upward swipe, using four fingers reveals the desktop.Three fingers: If you swipe with three fingers, you can flip through images in the iPhoto library.Tapping with two fingers can also be used in place of the right-click. Two fingers: With two fingers you can drag to scroll up and down a page, pinch to zoom in and out, and rotate an image by circling two fingertips.
