Infillion | 5,661 followers on LinkedIn. Infillion is the first composable advertising platform—open, agentic-ready, and built for what’s next. | Infillion is the first composable advertising platform, built to help businesses operate with greater flexibility, transparency, and efficiency as the advertising ecosystem evolves. Built from category-defining capabilities, including MediaMath, TrueX, Gimbal, and Drawbridge, Infillion deconstructs the advertising supply chain into modular, agentic-ready components. These components can operate independently or be orchestrated together—giving marketers flexibility without sacrificing control or visibility.