At Intercom, product marketing is built with the market in mind, involving PMMs from the start of product development and beyond. This approach allows for a full-stack product marketing team to bring customer and market insights to inform product strategy, positioning, and messaging, ultimately driving better outcomes for customers and the company. The key to successful product marketing at Intercom is fostering close relationships with cross-functional teams, nurturing a talented and ambitious team, and continuously evolving to meet changing market needs.