There are multiple answers to my original questions.

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There is never going to be the exact same response from costumers. There are always going to be similar responses but everyone's experience with it is different. 

 

Good design can be considered through a variety of things, seen on the right, who your consumers are, yours and their personal preferences, what your product or service is, what your company mottos are, and many more. You can only decide 'good' design based on your company's needs.

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As described before, age differences and generations have very specific characteristics that can be contradictory to other generations causing difficulty to appeal to everyone. There are also cultural differences that also factor into marketing choices.

 

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