Based on platform theory, this paper discusses the concept of platform ambiguity in mobile service provision, arguing that fundamental uncertainty exists not only about the boundaries and interfaces, but about the nature itself of a mobile service platform. It refers to the concept of gatekeeper...

This paper introduces and analyses four potential business models for emerging mobile service platforms. For each model, a real-life case is described and briefly analyzed. It is found that platform strategies - focused on the control of core assets on the one hand, and on complementarity and...