TTV, or Total Television Viewership, refers to the total number of people watching television content across various platforms, including traditional broadcast, cable, and streaming services. It provides insights into audience engagement and helps networks and advertisers understand viewing trends and preferences. Measuring TTV involves analyzing data from different sources, such as Nielsen ratings and online streaming metrics. This information is crucial for content creators and marketers, as it influences programming decisions, advertising strategies, and overall media planning to reach target audiences effectively.