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Mobile First by Luke Wroblewski

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Chapter 5: Actions

When screens are small and used in our hands, touch screens make a lot of sense. They essentially turn the entire mobile device (not just the keypad or trackball) into an interactive surface. As a result, touch is being integrated into more and more mobile devices each day. Looking at the percentage of Nokia’s smartphones that support touch illustrates this story very well (fig 5.1).

Three piecharts showing the growth of touch-based devices

Fig 5.1: Nokia’s smartphones illustrate the transition to touch in mobile devices. (Source: Nokia.)

While some of these devices have hardware input controls like ...

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