Massive amounts of culturally and scientifically-rich content is now available. However, its potential use for educational and scientific purposes remains largely untapped. One reason can be seen in current web content dissemination mechanisms, which are dominated by a small number of large central hubs. In order to maintain their valuable services, those large hubs have to focus on commercially viable mainstream content. While cultural and scientific resources provide valuable and educational content they cannot be considered mainstream. Quite the contrary. Most of this can be considered as high-quality niche content for a rather small community and forms part of the so-called Long Tail. Read more [...]