Instagram is a popular social media platform, particularly among teens and young adults in the US. The document outlines key metrics and features of Instagram's advertising platform, including types of promoted content like photos, videos, and carousels. It also discusses targeting capabilities by age, gender and geography, as well as metrics to measure reach, recall, awareness and other campaign performance. Advertisers are required to spend a minimum of $200,000 for a 4-week campaign and pricing is on a CPM basis currently.