is a global information and media company with leading market positions and recognized brands in marketing information (ACNielsen), media information (Nielsen Media Research), online intelligence (NetRatings and BuzzMetrics), trade shows and business publications (Billboard, The Hollywood Reporter, Adweek). The privately held company is active in more than 100 countries, with headquarters in Haarlem, the Netherlands, and New York, USA. For more information, please visit, www.nielsen.com