Apple Now Owns the Page Turn (New York Times)

The New York Times describes the latest innovation from Apple: a page turning animation for e-readers. Not only is it astonishingly brilliant, it's patented. "Apple argued that its patented page turn was unique in that it had a special type of animation other page-turn applications had been unable to create.
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The patent comes with three illustrations to explain how the page-turn algorithm works. In Figure 1, the corner of a page can be seen folding over. In Figure 2, the page is turned a little more. I’ll let you guess what Figure 3 shows."