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GUUUI: The Bottom-line of Prototyping

GUUUI: The Bottom-line of Prototyping and Usability Testing
Critical parts of user-centred design, such as prototyping and usability testing, are often considered flights of fancy which only increase the cost of a Web project. But these design methods actually have their legitimacy in cost effective development. Though they add a few percent to the development expenses up-front, they can reduce the cost of making changes due to unanticipated client and user requirements by 10 to 100 times.
- via InfoDesign

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