ICT infrastructure is taking important role as a necessarily social infrastructure. Citizen selects technology for their daily life and have became a part of social infrastructure. More the technology taking important part in the social infrastructure, more the interaction between technology advancement and policy is getting important. Usually the speed of technology advancement is faster that rule making process or update. How to fill the gap and integrate latest technology into the society to make it better without slowing down the innovation by policy is the challenge. In this lecture series, we will discuss the relationship between technology advancement and its policy we have in the society. This topic is not only valid in Japan but also all the countries are facing. The topic will be picked from global policy perspective and discussed in English.