Vocabulary for describing the structures, roles, and relationships characteristic of traditional, or ‘offline’, education has been seamlessly applied to the designs of ‘online’ education. One example is the lecture, delivered as a video recording. Charles Crook is Professor of ICT and Education. He is a member of the Learning Sciences Research Institute at Nottingham and is a developmental psychologist by background. After research at Cambridge, Brown and Strathclyde Universities, he lectured in Psychology at Durham University and was Reader in Psychology at Loughborough University.