Technologies are a pervasive feature of contemporary life for adults and children. However, young children’s experiences with digital technologies are often the subject of polarised debate among parents, educators, policymakers and social commentators, particularly since the advent of tablets and smartphones changed access to the Internet and the nature of interactions with digital resources. Some are opposed to children’s engagement with digital resources, concerned that the activities they afford are not developmentally appropriate, limit physical activity and restrict the development of social skills. Others welcome digital technologies which they see as offering new and enhanced ways of learning and sharing knowledge. Despite this level of popular and policy interest in young children’s interactions with digital technologies our understanding of the influence of these technologies on playing and learning, and on the role of educators, has remained surprisingly limited. The contributions to this book fill in the gaps of our existing understanding of the field. They focus on children and families from Australia to England to Estonia, the how and why of encounters with digital technologies, the nature of digital play and questions about practice and practitioners. The book raises critical questions and offers new understandings and theoretical insights around one of the ‘hot topics’ in early years research. This book was originally published as a special issue of the Early Years journal.