# Marketplace / Store name Total Feedback
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1 MEDIMOPS 6,300,372
2 Cloudtail India 1,286,940
3 musicMagpie 6,753,620
4 Appario Retail Pri… 283,075
What is the #1 best selling book?
Rank
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SOURCE: NIELSEN BOOK SCAN
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What does Amazon #1 best seller mean?
The Amazon #1 Best Seller badge icon means a product has the highest number of sales in that specific category. Amazon's A9 algorithm determines how products are ranked in search results. Amazon's algorithm tracks total sales history to rank products within categories and subcategories.