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ABSTRACT Design guidelines and checklists are suggested as a useful tool in the development and evaluation of interface design of… Expand Research summary: This inductive study examines how firms make decisions about the timing of innovations, focusing on the mobile… Expand This study focuses on older adults’ finger-based text entry on smartphones and tablets. Thirty-two older adults entered Chinese… Expand Mobile communication is an essential part of our daily lives. Therefore, it needs to be secure and reliable. In this paper, we… Expand Malware in smartphones is growing at a significant rate. There are currently more than 250 million smartphone users in the world… Expand This paper presents ethnographic observations, a diary study and a large-scale quantitative questionnaire (n=395) designed to… Expand In this paper, we present “SESGARH”, a scalable and extensible smart-phone based healthcare system, to provide realtime… Expand Featurephone III Provides a line powered loud speaking telephone which meets BSI standards for current drain. To maintain the… Expand In the fall of 2000, Nielsen Norman Group sponsored a field study of WAP users in London. We gave 20 users a WAP phone and asked… Expand