The document provides an introduction to a guide on using social marketing for behaviour change. It discusses how social marketing is defined as an approach aimed at changing or maintaining behaviors to benefit individuals and societies. It emphasizes that social marketing focuses on understanding behaviors rather than just increasing awareness or knowledge. The guide aims to give the reader a good understanding of social marketing and how to use it to change behaviors through examples and case studies. It encourages the reader to learn more about social marketing through an online training course.