尼尔森市场研究

nielsen n.v. (nyse: nlsn) is a global performance management company that provides a comprehensive understanding of what consumers watch and buy. nielsen’s watch segment provides media and advertising clients with total audience measurement services across all devices where content — video, audio and text — is consumed. the buy segment offers consumer packaged goods manufacturers and retailers the industry’s only global view of retail performance measurement. by integrating information from its watch and buy segments and other data sources, nielsen provides its clients with both world-class measurement as well as analytics that help improve performance.  nielsen, an s&p 500 company, has operations in over 100 countries that cover more than 90 percent of the world’s population.