This paper presents the mobile content domain as a heterogeneous and fragmented digital ecosystem not exclusively dependant on mobile infrastructures deployment. Several taxonomies are considered to distinguish among the different segments that compose the mobile content sector including the concepts of mobile content being adapted, re-purposed, specific, and augmented, from where a wider definition of mobile infrastructures is introduced. With respect to heterogeinity, it is considered that it derives from several main sources explored in the paper: players' different origins and cultures, the production-delivery-consumption structure of content businesses, the diversity of content suitable for mobile usage and the diversity of circumstances for this usage. The paper concludes, in authors' view, that mobile content success will require a very segmented approach to users characteristics and circumstances, a continuous process of interaction and learning, and that this success, although supported by the deployment of adequate infraestructures, depends largely on factors well beyond them.
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