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This study explores the overnight usage of Chi Wah Learning Commons and The University of Hong Kong Libraries on the same campus. By adopting quantitative research, it investigates students' preferences in these areas and levels of social capital in the library, further, it explores the similarities and differences of user behavior between the university's undergraduate and postgraduate students. Our findings showed that HKUL had not taken full advantage of its prime location and comprehensive collection in the main library, and the full potential of overnight services. The results of this study contribute to the library management in understanding the changing needs of users and propose the potential enhancements on social capital among students and the community.

Aesthetic visualization projects that incorporate users, community stakeholders, multiple modalities and technologies emphasize the way that an artistic visualization can be both an artifact and a process—a conceptualization of aesthetic visualization that is useful for thinking about visualization in general. In this article, the authors propose the concept of the visualization as boundary object, a move away from the indexical claims of visualization and instead toward an acknowledgment of the entangled nature of social, political, economic, cultural, technological and environmental actants. Through a description of the In the Air, Tonight public visualization project, the authors suggest that by making manifest the connections between these actants, a visualization project, as a form of expressive cartography, can contribute to the visibility of and engagement with important issues (e.g. homelessness) that affect society.