Does ICT pervasion of society threaten our legal system? To address the question, four requirements for a sustainable rule of law are discerned: (1) a clear jurisdiction, (2) legitimate rule making... Show moreDoes ICT pervasion of society threaten our legal system? To address the question, four requirements for a sustainable rule of law are discerned: (1) a clear jurisdiction, (2) legitimate rule making, (3) integrity in government and judiciary and (4) stability in society. It is argued that four new and insufficiently understood ICT constructs manifest themselves in society: (a) regulation by ICT architecture, (b) the perception of vanishing resposibilities through ICT complexity, (c) the economic status of reciprocal business models as in open source communities and (d) the emergence of information mountains-monopolies as fostered by Google. All four arguably pose threats to the sustainability of our legal system. Remedies are hard to find - a serious effort in multidisciplinary research and education is advocated. Show less