Most interaction design decisions are cost/benefit decision.

Most interaction design decision will in one way affect more than the scope of the operation the designer is trying to fix.

Therefore, under the knowledge that: No design decision exist in isolation. We must:


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    . Make certain we have a full view of the effects the decision the change will have on the solution as a whole
    2. Evaluate the cost vs. the benefits.

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  1. October 23

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