This document discusses social media advertising and marketing. It defines advertising and marketing and lists key terms. It then identifies the major social media platforms for ads, including social networking, microblogging, photo sharing, and video sharing sites. It recommends the top social networks to invest advertising money in based on user base. It explains the three most important factors for choosing a network are where customers are concentrated, accessible, and engage with ads. Finally, it outlines three ways to manage social advertising campaigns, including running ads manually, with automated software, or hiring an external managed service.