This novel book, motivated by the recent introduction of a major innovation in information technology, explores the possibility of the Internet being made available to millions of poor people in developing countries, who are not yet connected. The new technology, known as a smart feature phone, is based on open-source software and otherwise designed for a low-income population. The purpose of this book is to examine the origins, spread and impact of this innovation. Much attention is paid to literacy and digital skills, which determine the benefits that are actually derived.