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Rh death of their authors). The copyright term is difficult to calculate due to complex and unharmonized legislation varying among jurisdictions. Therefore, researchers and developers of the network gathered to produce Public Domain Calculators, partnering with major actors of the field, namely the Open Knowledge Foundation and Europeana, the European Digital Library Portal. These simple web-based applications are designed to allow the public to evaluate whether a work is in the public domain. After almost four years of activity, many members willing to pursue the activities of the network decided to form an international association based in Brussels in order to continue to educate about, advocate for, offer expertise and lead research on the public domain in the digital age. As a network, Communia has published hundreds of news posts and publication items on its website. Another academic book was also initiated during the course of the project, as most of its editors and authors were members of the consortium.

This book does not intend to constitute the proceedings of a European project. On the contrary, it aims to present how a vision has been built internationally along the course of four years of meetings and collaboration among interdisciplinary experts. Starting with The Public Domain Manifesto, Communia defends a European vision of the public domain and presents concrete policy proposals to protect the public interest. Most of the subsequent chapters had a first version which was published on the project website. Some have been updated, and others have been kept in their original version, mostly from 2007 or 2008, as a testimony of the project as a process which reached the conclusion presented as the starting point of the book. Chapters were selected to support and justify the Manifesto and its policy recommendations. They demonstrate how the project developed and outline the most valuable lessons that were learned along the way. The book attempts to capture the most structured part of the output of Communia in the hope that it will represent the foundations for a new awareness in Europe and elsewhere of the role of the public domain for cultural, civic and economic development in the twenty-first century.