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Campaigner is leading in Top 10K Sites, Top 100K Sites and The Entire Web.
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Retention Science is leading in Top 1M Sites.
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Campaigner has better usage coverage in more websites categories. Including Adult, Science & Education, Law & Government, Health and 14 other categories.
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Retention Science is leading in Lifestyle, Home & Garden, E-commerce & Shopping, Games and one other category.
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Campaigner is leading in most countries, including United States, Canada, United Kingdom, India and 38 other countries.
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Retention Science is leading in Hong Kong, Switzerland, Belgium, Netherlands and 17 other countries.