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VKontakte Widgets is leading in Top 100K Sites, Top 1M Sites and The Entire Web.
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OpinionLab is leading in Top 10K Sites.
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VKontakte Widgets has better usage coverage in more websites categories. Including Science & Education, Arts & Entertainment, Computers Electronics & Technology, Health and 19 other categories.
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OpinionLab is leading in Finance.
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VKontakte Widgets is leading in most countries, including Russia, Belarus, Ukraine, Kazakhstan and 79 other countries.
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OpinionLab is leading in United States, Saudi Arabia, Sri Lanka, Bosnia and Herzegovina and 4 other countries.