Which recommendation algorithm technique is known for identifying hidden patterns in customer purchase data by grouping similar products that are frequently bought together?

In today's digital marketplace, recommendation systems have become crucial tools for retailers seeking to boost sales and enhance customer experience. These AI-powered systems analyze vast amounts of consumer data to suggest products that align with individual preferences and behaviors. How well do you understand the technology and strategies behind these sophisticated retail recommendation engines that influence billions in sales annually?

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Collaborative filtering
Market basket analysis
Content-based filtering
Demographic segmentation