The document discusses design thinking and starting a social business. It defines a social business as a non-profit company where all profits go back into the business and employees only receive modest salaries. The presenter then explains the five elements of design thinking: empathize, define, ideate, prototype, and test. For each element, it provides a brief definition and description based on the IDEO design thinking model. The presentation aims to help people understand how to use design thinking to create a sustainable social venture.