Computer
Pedestrian navigation aids: information requirements and design implications
Personal and Ubiquitous Computing
Personal and Ubiquitous Computing
A taxonomy for and analysis of tangible interfaces
Personal and Ubiquitous Computing
TimeSpace: activity-based temporal visualisation of personal information spaces
Personal and Ubiquitous Computing
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This study reviews and analyzes contradictions embedded in two different perspectives looking at ubiquitous computing: demand-side and supply-side. It is argued here that these differences in perspective may contain contractions in terms of assumptions which may deter developers from properly conceiving future applications and services in ubiquitous computing. Five distinct aspects – anybody, anytime, anywhere, any service, and any device – were used as an analysis framework against ‘for me,' ‘right now,' ‘right here,' ‘what I need,' and ‘what I have.' Underlying factors that makes differences are suggested and discussions are made. Implications are discussed and further research is suggested.