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A study guide on an iPhone or iPad helps one study in two ways. The first is by serving in the same was as a traditional book or other study aid. One can make notes within it, flip through virtual pages, and read it progressively in the same way that textbooks would be used. It also provides one with additional portability. An iPhone or iPad can be more easily carried by a person throughout their day. By doing so, it's easy to simply take the iOS 7 device out when one has a little extra free time in which to study.