This book presents findings of a study on internet and mobile phone use among the urban poor of Kampala. It gives an extensive insight into the various uses undertaken by the urban poor with access to these two ICTs. The book is unique in offering a synthesis of theoretical ideas drawn from the Diffusion of Innovations Theory and the Capability Approach to elucidate the impact of these uses on social and economic development. It also reflects a broad coverage in its literature on the potential of ICTs in driving development. Readers will find insightful information for advocators of ICT4D initiatives in the global south, policymakers, students and lecturers.