This monograph examines how European Union law and regulation address concentrations of private economic power, which impede free information flows on the Internet to the detriment of Internet users' autonomy. In particular, competition law, sector specific regulation (if it exists), data protection and human rights law are considered and assessed to the extent they can tackle such concentrations of power for the benefit of users. Using a series of illustrative case studies of Internet provision, search, mobile devices and app stores, and the cloud, the author demonstrates the gaps that...