This document summarizes key concepts around social media marketing and advertising. It discusses theories of branding like top-of-mind awareness. It also covers the marketing mix, consumer psychology, branding, promotions, and integrated marketing communication. Specific social media platforms like Twitter, Instagram, and Snapchat are examined in terms of awareness and engagement. The document analyzes case studies of successful and unsuccessful social media campaigns. It concludes with lessons about the influence of friends versus celebrities and the importance of quality social interactions over time.