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is an associate professor in the Human -Computer Interaction Lab at Aalborg University and holds a PhD in Human -Computer Interaction from 2002. His research interest is centred around mobile and pervasive computing, with a particular focus on understanding and extending existing approaches to evaluating mobile systems and how to utilise location-based services. Keywords mobile marketing , location-based services , micro mobility , supermarkets , shopping trolleys , mobile consumersAbstract Mobile marketing refers to marketing of services or goods using mobile technology and mobile marketing holds potentially great economical opportunities. Traditionally, mobile marketing has been viewed as mobility in the large taking place virtually anywhere, anytime. Further, research shows considerable number of studies on push-based SMS mobile marketing campaigns. This paper explores a related yet different form of mobile marketing namely micro mobility marketing . Micro mobility marketing denotes mobility in the small, meaning that promotion of goods takes place within a circumscribed location, in our case a medium-sized retail supermarket. Two prototypes based on push and pull marketing strategies are implemented and evaluated. Taking outset in a synthesis of central issues in contemporary research on mobile marketing, we discuss their role in micro mobility marketing to point to similarities and differences between micro mobility marketing and the traditional mobile marketing in the large. Finally, we suggest areas for further study.

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This article reviews 105 representative contributions to the literature on mobile systems development. The contributions are categorized according to a simple conceptual framework. The framework comprises four perspectives: the requirements perspective, the technology perspective, the application perspective, and the business perspective. Our literature review shows that mobile systems development is overlooked in the current debate. From the review, we extend the traditional view on systems development to encompass mobile systems and, based on the identified perspectives, we propose core characteristics for mobile systems. We also extend the traditional focus found in systems development on processes in a development project to encompass the whole of the development company as well as interorganizational linkage between development companies. Finally, we point at research directions emerging from the review that are relevant to the field of mobile systems development.

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