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Ziff Davis is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
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In terms of market share, DoubleClick AdExchange is clearly lagging behind, losing to Ziff Davis in all segments.
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Ziff Davis has better usage coverage in more websites categories. Including Computers Electronics & Technology, Games, News & Media, Arts & Entertainment and 16 other categories.
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DoubleClick AdExchange is leading in Science & Education, Food & Drink, Reference Materials and Community & Society.
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Ziff Davis is leading in most countries, including United States, Germany, Italy, United Kingdom and 95 other countries.
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DoubleClick AdExchange is leading in China, Latvia, Ghana, Mongolia and 11 other countries.