The two chapters in Part IV are more specialized than the rest of the book. If you don't work in a production environment (even cropping to the same dimensions regularly can count as production), you might not need to use Actions in Photoshop. But there's far more to Chapter 16 than just Actions and scripting! It also shows you how you can create an onscreen presentation that anyone can view, automatically generate a single page with small thumbnail images of all your photos, and save paper by printing multiple images on a single sheet. Chapter 17 is a Web-only chapter. If you don't create graphics for the Web, you probably don't need to read it. However, if you skip it, you might never see how to create cool little animated movies.
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