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HEROLD Business Data GmbH is one of the most successful media companies in Austria, offering a marketplace for buyers and sellers through online and print phone directories. The company produces dozens of print products, including more than 70 regional telephone directories and more than 20 special issues and guides, as well as several online products, including, mobile applications, data for direct marketing, search marketing and online advertising services. HEROLD Business Data collects data on 360,000 businesses, including addresses and phone numbers, user reviews and recommendations, ratings, photos, and text descriptions, as well as a directory of 3.6 million phone numbers. is one of the biggest sites in Austria, reaching more than 23 percent of active Internet users in the country.