YouTube, twitter, Facebook: international social media are an important source of information in Russia. But state watchdog Roskomnadzor is tightening the screws and the Duma adopts laws that will curb foreign internet providers. Russia strives for a 'sovereign internet' to eliminate foreign influence and control opposition. Roskomnadzor's slowing down of twitter was a mess, but can Russia in the future technically isolate its population from the world?