Data sovereignty, or the desire of states to exert unfettered control over data associated with natural and legal persons under their jurisdiction, was seen as an issue with the highest salience at a foresight event I participated in Bengaluru a few days ago. Several of us thought that the states will push for greater control in the immediate future and will be met with significant resistance from citizens and companies (varying across different kinds of data and different countries; health data may be easier than traffic data; states in big countries are more likely to prevail than those in small ones). We expected some kind of equilibrium to be achieved in around 5-10 years. The effort by law enforcement authorities in the US to compel Microsoft to handover the contents of email stored in Ireland and the case of the Great Firewall of China came up in discussion. Here is a discussion on recent developments in China: This is worrying not just for people who want to surf the web without annoying obstructions.