The Role of Social Media Companies in the Regulation of Online Hate Speech

This article is about online hate speech propagated via platforms operated by social media companies (SMCs). It examines the options open to states in forcing SMCs to take responsibility for the hateful content that appears on their sites.  It examines the technological and legal context for imposing legal obligations on SMCs, and analyses initiatives in Germany, the UK, the EU and elsewhere.  It argues that whilst SMCs can play a role in controlling online hate speech, there are limitations to what they can achieve