The document discusses theoretical and operational definitions of key metrics for social media advertising like return on investment, audience size, and target reach. It then reviews previous research findings on popular social media platforms and advertising in 2011. Six research questions and hypotheses are posed related to the influence of age, gender, social media usage on things like number of accounts, time spent online, ad clicks, and purchases. The methodology describes a sample of 50 males and females surveyed and the results support relationships between several of the hypotheses.