The Editors: Massimo Negrotti is Full Professor of Methodology of Human Sciences and Director of IMES-LCA at the University of Urbino. He has published several books on artificiality, introducing the term naturoids as a key word for understanding man-machine relations.Fumihiko Satofuka is full Professor of Theory of Science and Technology at Tokyo University of Agriculture and Technology. He has written many books and papers on sustainability, introducing the term Kyosei (symbiosis) as a key word for understanding man-nature relations.

• Contents: Massimo Negrotti: Foreword – Mariella Combi: The construction of flexible identities and negotiation of meanings on the Internet – Pasi Falk: Universe as an artifact: from God’s creation to digital metaphysics – Karamjit S. Gill: The dance of the user in artificial cultural space – Stefano A. E. Leoni: Le diverse et artificiose machine... to make music or: The different and artful machines... to make music – Renata Livraghi: The user of educational services – Giuseppe O. Longo: Narrative as a source of the artificial – Victor Margolin: The mechanization of exchange – Giuseppe Padovani: The user of the sites of the Italian Comuni – Antonino Porrello: Research of leading role of social sciences in the information and communication technologies planning – Barbara Rondelli: Learning communities in the demand for postgraduate education – Massimo Russo: Users, new Italian subjects – Fumihiko Satofuka: Editorial - From the Artificial to the Kyosei. In the pursuit of the Japanese technological tradition – Masanori Funakura: Kyosei, or Association in Shared Environment - From the Viewpoint of Ecosemiotics – Masayuki Horio: ‘Symbiotic technology’ in the early 21c. ordeal – Shuji Ozeki: ‘Kyosei’ and sustainable society: from the viewpoint of environmental philosophy.