Multiple challenges and risks to democratic values and fundamental human rights emerge from the constitutulization processes of social media platforms. This article submits that more consideration has to be put on how private governance of social media platforms should be transparent, consensual, relatively stable in its application and how it should be enforced fairly. The values presented by the rule of law as well as traditional democratic principles of a sovereign state should inform the debate around contested relationship between the users and social media platforms. Digital constitutionalism is a concept that explains waves of constitutional counteractions as a result of a fast pace development of digital technologies. Digital consti...