Telecentres often are the only possibility to connect marginalised communitiesto the economical, cultural, political and technological centres ofthe country and the world. They enable human development and supportpeople in performing their daily tasks in a more efficient way through thestrategic use of Information and Communication Technologies (ICTs).The biggest problem of telecentres is sustainability. But, only throughunderstanding the Who, What and Why of a telecentre can it becomesustainable. Based on the perception of a telecentre as a venture performedby and for a community, telecentres are discussed in terms of infrastructure,which serves technological, social, economical and political processes withina community. After developing a conceptual toolkit this book presents aprocess model or roadmap, which a telecentre has to follow in order tobecome sustainable. This model gives orientation to practitioners in the field,as well as to researchers trying to understand the phenomenon telecentre. Itis an invitation for a multi-disciplinary discussion on how ICT-based ventures,such as telecentres, can have a positive and durable impact on livesthroughout the world.