Which mathematical algorithm revolutionized retail customer demographic analysis and was first implemented by Amazon in 2003, leading to a 29% increase in cross-selling effectiveness?

In the world of retail, mathematics has become a cornerstone for success. Advanced algorithms now drive everything from inventory management to customer predictions. But which mathematical innovation has most dramatically transformed how major retailers analyze customer demographics and purchasing patterns? Test your knowledge about the intersection of mathematics and retail analytics in this challenging trivia question!

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

Collaborative Filtering Matrix Factorization (CFMF)
Bayesian Inference Network Analysis (BINA)
Stochastic Gradient Descent Clustering (SGDC)
Markov Chain Monte Carlo Segmentation (MCMCS)