Which mathematical algorithm famously powers Amazon's 'Customers Who Bought This Also Bought' recommendation system that reportedly drives 35% of their sales?

In the competitive world of e-commerce, mathematical algorithms have revolutionized how retail giants personalize their customer experience and optimize sales. Behind the scenes, complex calculations drive product recommendations, inventory management, and pricing strategies. This poll explores one of the most influential mathematical innovations that transformed retail analytics and customer experience in the digital marketplace.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Collaborative Filtering Matrix Factorization
Monte Carlo Markov Chain (MCMC)
K-Means Clustering
Random Forest Decision Trees