Social marketing is the systematic application of marketing, along with other concepts and techniques, to achieve specific behavioral goals for a social good. Social marketing can be applied to promote merit goods, or to make a society avoid demerit goods and thus to promote society’s well being as a whole. This form of marketing is mostly driven by word-of-mouth, which results in earned media rather than paid media. The infographic below suggests twenty-one useful rules for your social media marketing campaign to be effective. Enjoy!