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Customer IO is leading in Top 100K Sites, Top 1M Sites and The Entire Web.
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MessengerPeople is leading in Top 10K Sites.
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Customer IO has better usage coverage in more websites categories. Including Jobs & Career, Computers Electronics & Technology, Business & Consumer Services, Lifestyle and 13 other categories.
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MessengerPeople is leading in News & Media, Travel & Tourism, E-commerce & Shopping, Vehicles and 3 other categories.
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Customer IO is leading in most countries, including United States, Canada, United Kingdom, India and 90 other countries.
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MessengerPeople is leading in Germany, Austria, Switzerland, Finland and 10 other countries.