Personal and Ubiquitous Computing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
What's in your wallet?: implications for global e-wallet design
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Contextual and cultural challenges for user mobility research
Communications of the ACM - Designing for the mobile device
Quickdraw: the impact of mobility and on-body placement on device access time
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A comparison of mobile money-transfer UIs for non-literate and semi-literate users
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Mobile-Banking Adoption and Usage by Low-Literate, Low-Income Users in the Developing World
IDGD '09 Proceedings of the 3rd International Conference on Internationalization, Design and Global Development: Held as Part of HCI International 2009
Personal TV: a qualitative study of mobile TV users
EuroITV'07 Proceedings of the 5th European conference on Interactive TV: a shared experience
A cross culture study on phone carrying and physical personalization
UI-HCII'07 Proceedings of the 2nd international conference on Usability and internationalization
User activity understanding from mobile phone sensors
Proceedings of the 12th ACM international conference adjunct papers on Ubiquitous computing - Adjunct
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Mobile essentials refers to the objects most people consider essential and carry most of the time whilst out and about. This paper describes a cross-cultural field study of what people consider to be mobile essentials, how those mobile essentials are carried and problems typically encountered. Through careful field observations and in-depth interviews of 17 participants in four cities, transitions between different situations turned out to be critical moments in which mobile essentials took on specific value, but also created problems of forgetting and loss. This paper introduces the notions of Center of Gravity, Point of Reflection and the Range of Distribution to describe user behaviours. Based on the study findings nine product concepts related to mobile essentials were developed, one of which is presented in this paper.