This article by designer Jeff Davidson is an informative reminder of the well-known observation that human working memory has a capacity of 7 items (give or take 1 or 2). This observation, originally posited by cognitive psychologist George A. Miller in his paper The Magical Number Seven, Plus or Minus Two is a crucial guideline for designing user interfaces. If a user interface contains more than that number of different chunks of information it'll appear cluttered and overloaded to the user, who will ...
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