Which of these is a traditional offline advertising channel?

The correct option is Radio because it represents a legacy medium that operates independently of digital internet connectivity and web-based platforms, distinguishing it from modern digital channels like social media, email, and display remarketing. In the context of a holistic marketing strategy, traditional offline channels such as radio, print, television, and direct mail are used to reach broad audiences in their physical environments, often serving as the initial touchpoint in the customer journey before a user transitions to online research or a store visit. While digital channels rely on cookies, pixels, and user accounts for tracking, traditional radio utilizes terrestrial broadcast signals to build brand awareness and drive localized foot traffic to brick-and-mortar locations. Would you like me to explain how to measure the "offline lift" generated by traditional radio ads using Google's store visit metrics?