Which mathematical concept revolutionized e-commerce product recommendations, first implemented by Amazon in the late 1990s?

The intersection of mathematics and e-commerce has transformed online retail platforms. Advanced algorithms, predictive analytics, and mathematical models now power everything from recommendation engines to inventory optimization. This poll tests your knowledge about a groundbreaking mathematical innovation that revolutionized how products are discovered online.

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

Collaborative filtering using matrix factorization
Bayesian probability networks
Euclidean distance clustering
Markov decision processes