Social Innovation is a story of extremes. As a concept, it is both heavily overused - and very loosely understood. As a driver for development, it attracts attention and holds strong promises, but its implementation is confusing. Where does the confusion come from? Can there be a commonly understood definition of social innovation. Hivos worked with Bruna Bastos, a researcher in development studies, to understand where the term came from, and what it means for Hivos.