The study of the nature and impact of recent and emerging digital technologies and our interactions with them in everyday life, and in cultural, economic and political terms. Key themes might include interaction, interfaces, simulation, virtuality, control and exchange of information, the nature of new forms of artistic and cultural practice. In his book The Language of New Media, the writer Lev Monovich proposes five defining principles: numerical representation, Modularity, Automation, Variability, and Transcoding.