“…The first recital strikes at the heart of the problem: there has been an increasing supply and demand for political advertising, which often occurs in a cross-border manner through various actors, such as political consultancies, advertising agencies and public relations firms, ad-tech platforms, political data analytics firms (Simon, 2019), and so-called social media influencers who too have recently expanded their controversial promotion activities toward politics. Although the political activity of influencers has received a growing interest in academic research (Arnesson, 2022;De Gregorio & Goanta, 2022;Riedl, Schwemmer, Ziewiecki, & Ross, 2021), it is arguably still the ad-tech industry together with platforms who are the main facilitators or, depending on a viewpoint, the main culprits. This industry and platforms continue to be also behind numerous data protection violations and fundamental rights abuses according to EU citizens, civil society groups, and media representatives; there are still threats even to democracy (Avaaz, 2021;EPC, 2021;Ruohonen, 2023).…”