Chapter 13
Fat Fingers
Keywords
Bigger UI is not the solution, avoiding occlusion, increasing precision, big fingers on small screens, selection methods
The fingers you have used to dial are too fat. To obtain a special dialing wand, please mash the keypad with your palm now.
—The Simpsons (“King Size Homer”)
Description
The mouse is a tool that easily supports movements that are both precise and rapid. A single pixel among millions can easily be selected with a mouse, meaning that graphical user interface elements can be as small as a single pixel in size. Indeed, some such elements in modern GUIs are almost that small—for example, the handles that allow resizing of windows in both of the most popular operating systems are no larger than 4 ...
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