http://www.apple.com/macbookpro/features.html Apple a two-button mouse holdout for years because it’s too complicated (common justification, even if it’s not Apple’s), and now: “Pinch to zoom in and out. Rotate an image with your fingertips. Swipe with three fingers to flip through your photo libraries. Swipe with four fingers to show your desktop, view all open windows, or switch applications.” 21:11