Frame.io is a SaaS product that serves as a central hub for creative collaboration. It allows teams to share media, track feedback, and streamline workflows, enabling collaboration from anywhere in the world. The key features of Frame.io include reviews and approvals, where feedback can be made directly on a frame, leaving little room for misinterpretation. Users can also draw on frames to illustrate their feedback. The tool replaces email chains with consolidated comment lists, making it easy for everyone to find the latest feedback.