Informal vs. Formal Representations

• Natural input (eg, sketch)

• Fast to create

• Visual representation

  • communicate “unfinished”
  • allow designers to think of new ideas -> creativity

• Mice or recognition

  • users must deal w/ translations

• Slow to create (precise)

• Visual representation warps perceptions

  • communicates “finished”
  • inhibits creativity (detailing)

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