Which groundbreaking recommendation system, introduced in the late 1990s, fundamentally changed online retail by analyzing customer purchase patterns and pioneered the 'customers who bought this also bought' feature?

Before artificial intelligence and big data transformed retail, recommendation systems were already beginning to reshape how customers discovered products. In this poll, test your knowledge about a pivotal moment in the evolution of product recommendation technology that changed e-commerce forever and set the foundation for the sophisticated systems we encounter daily across digital retail platforms.

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

Amazon's Item-to-Item Collaborative Filtering
eBay's BiddingBuddy System
Walmart's ShopSense Algorithm
Barnes & Noble's BookMatch Technology