Michele F. Chang

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Infrastructures (persistent socio-technical systems over which services are delivered) are normally taken for granted by their users, but are powerful forces of constraint and enablement with implications for the design, use, and adoption of ubiquitous computing. To approach the study of infrastructure from an ethnographic perspective, we conducted an(More)
Using ethnographic methods, 28 young professionals across the global cities of London, Los Angeles, and Tokyo were studied to understand in some detail what items they carried with them (their mobile kits) and how they used these items to access people, places, and services (through various urban interfaces). The findings are analyzed in terms of these(More)
This two-day workshop will advance discussion on the role of public interfaces in engaging citizens within the urban context. The aim is to determine how technology can help to develop cities that address the needs and reflect the desires of its inhabitants. The challenge for the HCI community is to design more effective public interfaces that provide(More)
As part of a comparative ethnographic study of everyday life of young professionals in London, Los Angeles, and Tokyo, we conducted a detailed survey of wallets and their contents, through photographs, interviews, diary studies, and observation. Despite prominent differences in culture and lifestyle, there were remarkable similarities across all three sites(More)
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