Our principal concern in this book is to understand three important ideas: learning, technology and innovation, and to examine these ideas and the relationships between them in situ; that is, we examine a number of cases of learning technologies in action in two countries, England and Brazil. The purpose of our study is to provide an explanation of the means to, and constraints on, improvements to educational policies and practices, with particular reference to innovation. We have a plethora of theoretical models that in attempting to deal with causal relations usually come to the...