Which online retailer's recommendation system famously uses the 'item-to-item collaborative filtering' algorithm, a mathematical approach that analyzes purchase patterns rather than comparing customers to improve suggestions?

In today's data-driven world, mathematics plays a crucial role in retail analytics and recommendation systems. Companies leverage advanced algorithms and statistical models to understand consumer behavior and optimize their marketing strategies. This poll tests your knowledge about how a famous company used mathematical principles in their recommendation system to revolutionize their industry and boost customer engagement.

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Amazon
Netflix
Spotify
Walmart