"(...) The distinction between the terms needs and wants is a traditional way of describing the difference between what is truly necessary for a person's activities (needs) versus what a person asks for (wants). Needs are determined by the task: A pail is needed to carry water; some sort of carrying case is needed to transport papers back and forth to work. (...)"
em Emotional Design: Why we Love (or Hate) Everyday Things (2004) de Donald A. Norman, edição Basic BooksNeeds and Wants
in Emotional Design: Why we Love (or Hate) Everyday Things (2004) by Donald A. Norman, Basic Books edition
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