This chapter examines the protection of the freedom of expression in the European Convention on Human Rights, discusses the provisions of Article 10, and explains that the majority of cases concerning Article 10 are brought by persons who have received some penalty for defaming or insulting other people. It analyses what constitutes an interference with free expression and considers the limitations on freedom of expression. The chapter also examines the judgments made by the Strasbourg Court on several related cases, including those that involved privacy, incitement to violence and hate speech, obscenity, and blasphemy. It also covers the development of case-law concerning social media and the internet.