Cross-device tracking refers to the capability of digital marketing to monitor and analyze user interactions across multiple devices such as smartphones, tablets, and computers. This tracking allows marketers to create a cohesive view of a user’s behavior, enabling personalized advertising and improved customer insights. By bridging the gap between devices, businesses can more effectively tailor their messages, optimizing user experience and increasing conversion rates. Cross-device tracking is crucial for understanding the complete consumer journey, as it provides a holistic picture of engagement across different platforms.