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  • Bogdan Raducan thinks this is interesting:

A good example of appropriate feedback is the iPhone’s home screen in “dancing” mode. When the user presses for a long time on the screen, the app icons start to wobble. This indicates that they can be dragged around and reorganized (see Figure 2-7). The user has switched to an “editing mode” from a “reading mode.” The continuous animation helps the user to understand that a tap on an app icon will not yield the same result as usual. Also, every element of the interface that is affected by this mode—but only these elements—is behaving differently. The elements ...


Cover of Tragic Design


A good example of utilizing modes