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There are several ways for minimizing screen changes, some of
which agree with the traditional methods for GUI design to
preserve display inertia. For example, GUI changes may be cached.
That is, consecutive changes taking place within a short time
interval can be presented as one single change without affecting
user interaction. This also means that continuous screen changes
as animation and window scrolling should be avoided, which
disagrees with the traditional method for providing visual
continuity  (p. ).