I am especially grateful to Bartosz Ślosarski and Renata Włoch, among others, for organising a fruitful research stay for me at the Digital Economy Lab at the University of Warsaw in the autumn of 2022.All the authors who have contributed to this book with their chapters also have my gratitude, for they have entered into a fruitful dialogue with the idea of anti-corruption technologies that I have developed in this volume, and have always been willing to revise their respective chapters to make them even more capable of narrating the encounters that anti-corruption activists have with digital media and technologies. Among these authors, I would especially like to thank the members of the BIT-