凯利提出，过去只有电视机屏幕，以及之后的电脑屏幕，而现在，屏幕无处不在。

Screening — Kelly notes that whereas there used to be just the television screen and then the computer screen, now screens are everywhere.

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图2-3 我们太熟悉这些无处不在的 日 历，以至于在设计屏幕上的 日 历时，几乎从来不思考信息时代的特点。

Figure 2-3: The ubiquitous calendar is so familiar that we rarely stop to apply Information-Age sensibilities to its design on the screen.

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