Product design is focused almost entirely on user experience when the system is assumed to be working properly.

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Though it is more a product of tradition than design, it has turned into an efficient system for consolidating the power of the pope and the Church's other elites, he says.

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At this step some of the things to consider are process design for product identification, valuation, classification and separation and the supporting technology system implementation to have an optimal separation approach.

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Amazon spokeswoman Patty Smith said the price differences on certain DVDs are the result of tests that the company performs to re-evaluate various aspects of its Web site, such as the navigation system, what the home page looks like, overall site design and product pricing.

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The company regularly tests its search system, what the home page looks like, overall site design as well as product pricing.

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The first product based on the design, the SH7729, was also unveiled Thursday and will support Microsoft's Windows CE operating system, Hitachi said.

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