Nielsen Holdings plc, together with its subsidiaries, operates as a measurement and data analytics company worldwide. It operates in two segments, Nielsen Global Media (Media) and Nielsen Global Connect (Connect). The Media segment provides viewership and listening data, and analytics principally to media publishers and marketers, and advertising agencies for television, radio, digital viewing, and listening platforms. This segment offers television audience measurement services; digital audience measurement services, such as digital media and market research, audience analytics, and social media measurement; mobile measurement and analytic services; addressable TV measurement services; video advertising services; and independent measurement and consumer research primarily servicing radio, advertisers, and advertising agencies in the audio industry. The Connect segment provides retail transactional measurement data, consumer behavior information, and analytics primarily to businesses in the consumer-packaged goods industry. This segment offers retail and consumer panel measurement, analytics, loyalty data processing, and advisory services. Nielsen has strategic relationship IHS Markit. Nielsen Holdings plc provides media and marketing information and analytics. The company was founded in 1923 and is headquartered in New York, New York.