This ebook consists of a summary of the ideas, viewpoints and facts presented by Darly Collins, Johnathan Morduch, Stuart Rutherford and Orlanda Ruthven in their book “Portfolios of the Poor: How the World’s Poor Live on $2 a Day”. This summary offers a concise overview of the entire book in less than 30 minutes reading time. However this work does not replace in any case Darly Collins, Johnathan Morduch, Stuart Rutherford and Orlanda Ruthven book.Collins, Morduch, Rutherford and Ruthven offer an assessment on how the poor find solutions to survive on an income so small. They demonstrate that they usually employ financial tools that are linked to informal networks and family ties. This book also offers a vision for the future generation of banks for the “bottom billion”