Pinterest is an AI-powered visual discovery platform where hundreds of millions of users globally find, save, and act on visual inspiration through integrated search, social, and commerce features. The company monetizes through advertising, offering brands and retailers multiple ad formats sold via auction-based systems to reach users across the marketing funnel, with tools for targeting by interests and measuring return on investment. Pinterest's competitive advantage rests on its visual-first approach, proprietary machine learning that powers personalized recommendations, and a brand-safe environment where users actively seek product discovery and inspiration.