We present the news wall ambient display designed for continuous exposure to news information. The display benefits the elderly and people with special needs as it maintains a prolonged contact with news information. Since the display is not interactive, it capitalizes on serendipity rather than user feedback to communicate interesting information. The display’s effectiveness depends on the frequency of occurrence of serendipitous discoveries. We describe how the deployment environment influences serendipity and investigate manners to increase its occurrence by design. A heuristic evaluation technique is presented to assess the news wall’s serendipitous effects. Author Keywords Ambient displays, serendipity, ubiquitous computing, heuristic evaluation
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