This document discusses social marketing as a way to influence social behavior change. Social marketing uses techniques similar to commercial marketing to design and implement programs to promote ideas and influence acceptability of social issues. It involves considering product planning, pricing, communication, distribution, and marketing research. Some key aspects discussed include using downstream, midstream, and upstream approaches to target individuals and policies; the 4 P's of social marketing of product, price, place, and promotion; and examples of social marketing campaigns around reducing plastic bag use, paper use, risky consumption behaviors like smoking and drinking, and seat belt safety.