This document discusses social entrepreneurship and social enterprises. It defines social enterprises as benefit organizations that address social problems and have measurable social impact without complete reliance on philanthropy. Social entrepreneurs are committed to building financially sustainable businesses focused on alleviating poverty, serving the underserved, or helping the environment. Examples are provided of social enterprises addressing issues like access to electricity, healthcare, cooking solutions, and lending. The document also discusses impact investing, challenges social enterprises face in scaling impact and becoming commercially viable, and how to define an impact model for a social business.