“This report analyses the social, ethical, and legal issues of Presence technologies and their implications for society. Most generally, Presence is an emerging andinterdisciplinaryieldofresearchandrefers to the cognitive experience of being somewhere.1 Presence thus aims at achieving realistic feelings and experiences of an environment that does not actually exist, using a broad range of technologies.While virtual and augmented realities, CAVEs, head-mounted displays, and high-end cinemas are among the more well-known examples, recent developments have brought about novel and potentially more intrusive technologies like brain-computer interfaces (BCI), which can translate brainwaves into control signals and vice versa.” (Schroeder et al., 2009, p. 5)