'Thomas D. Parsons has written a must-read primer for anyone working in Cyberpsychology and has to face the complex world of the ethical issues caused by technology. Read this book and learn, from an experienced researcher, how to deal with the complex ethical challenges offered by social media, videogames, and virtual reality.' Giuseppe Riva, Università Cattolica del Sacro Cuore, Italy, and President of the International Association of CyberPsychology, Training, and Rehabilitation (iACToR)