Full Screen and Gestures
If any app is going to remind you of an iPhone/iPad, it’s Safari. Once you enter Full Screen mode by clicking the green 
button at upper left (see Full Screen Mode), it’s almost exactly like surfing the Web on the iPad. For example:
Zoom in and out with pinch and spread. That is, put two fingers on your trackpad and spread them to magnify the Web page, or pinch to zoom out. Great when the type is a little too small.
Magnify just a block with a two-finger double-tap. Most Web pages are subdivided into various rectangles of text and graphics. Just as on the iPhone/iPad, you can double-tap (with two fingers on your trackpad) to magnify only one single block of text or graphics. Repeat the process to zoom back out to regular size. (Note that this is tapping, not clicking.)
Use a two-finger swipe for Back and Next. This one’s really juicy. With two fingers on your trackpad, swipe left or right instead of clicking the
or 
buttons. The great part is that if you do this slowly, you pull the previous or next page onto the screen gradually, giving you a chance to peek at it without actually moving to it.
Tip
Each time you open Safari, it brings up whatever pages you had open ...
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