Living inside built environments--infrastructure--it is easy to take for granted the things that we do not need to engage, but are at work behind the scenes nonetheless. Well-designed systems become invisible, but to engage them, how do we know which perspectives, objects, and relationships are useful? I examine the University of Michigan Digital…

The findings of a study conducted to evaluate the effectiveness of a visual display illustrating use of the card catalog in a university library are presented. The evaluation focused on the major goal of the display, which was to provide new information to library users. A questionnaire designed to measure a respondent's knowledge of the various…