 The conceptual framework of the index introduces the notions of a country's infodensity and info-use.Infodensity refers to the stocks of ICT capital and labour, including networks and ICT skills, indicative of a country's productive capacity and indispensable to function in an Information Society.It includes ICT networks, machinery, and equipment, as well as ICT skills, indispensable for the functioning of information, knowledge-oriented societies.