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window shopping: n.

[US Geological Survey] Among users of WIMP environments like X or the Macintosh, extended experimentation with new window colors, fonts, and icon shapes. This activity can take up hours of what might otherwise have been productive working time. “I spent the afternoon window shopping until I found the coolest shade of green for my active window borders — now they perfectly match my medium slate blue background.” Serious window shoppers will spend their days with bitmap editors, creating new and different icons and background patterns for all to see. Also: window dressing, the act of applying new fonts, colors, etc. See fritterware, compare macdink.