We present a longitudinal case study of implementing inter-active information radiators in practice. The insights from the case study include the importance of including users in finding relevant information, and of presenting this information in an attractive way. The semi-public space poses special challenges for design and clearly shows the need for doing research through (longitudinal) deployment-based studies. On the other side, the study also shows some problems of doing longitudinal case

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... studies of semi-public installations – particularly field access and availability of quantitative data.