This article explores the influence of social media platforms on global politics. It examines the controversies surrounding Mark Zuckerberg's censorship practices at Facebook, particularly concerning the suppression of information related to Hunter Biden. The article also scrutinises Elon Musk's promises of free speech at X (formerly Twitter), highlighting discrepancies between his rhetoric and his actual actions. It further discusses the potential for manipulation of public opinion and elections through the use of algorithms, exemplified by the Cambridge Analytica scandal and the case of Brazilian influencer Pablo Marçal. Ultimately, the article emphasizes the need for transparency and public engagement in ensuring the future of freedom of expression and democracy in the face of the increasing influence of social media giants.