Recently Constitutional Court of Korea ruled that the regulation which required users to identify themselves if they wish to post on a website which attracts more than 100,000 users per day. This regulation has brought about a lot of controversy  for 5 years since its introduction in 1997. In the end, we are back to square one. What is the lesson we’ve got from this case? Professor Keechang Kim of Korea University Law School translated the full text of the decision.