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Cultural landscapes, heritage sites and buildings are increasingly being mediated through geoware and location-based services. Even formerly inaccessible locations buried under water or in the ground are now mapped and visualized. Mobil phones, PDA's etc. make it possible to receive relevant information and participate in appropriate discussion groups almost everywhere. Moreover, (unlimited) access to the Internet makes museum information converge with looked-for tourist information (city map, hotels, traffic...). This digital accessibility forces us to rethink the borders of the voice of the museum and other voices as well the physicality and materiality of the museum.