* Television: They measure the viewership of television programs, both live and time-shifted, across various channels and networks.
* Digital: They track online media consumption, including websites, apps, streaming services, and social media.
* Audio: They measure the listenership of radio stations and podcasts.
* Out-of-Home: They track the exposure to billboards, transit advertising, and other out-of-home media.
Their services are used by a wide range of clients, including:
* Media companies: To understand audience preferences, measure the effectiveness of their programming, and set advertising rates.
* Advertisers: To target their campaigns to the right audience and track the performance of their ads.
* Government agencies: To monitor media trends and understand the impact of media on society.
Nielsen's data is considered a gold standard in the media industry and provides valuable insights into audience behavior. Their research helps to shape the media landscape and inform decision-making for businesses and organizations.