Which groundbreaking invention in retail data analytics is credited with enabling the first large-scale predictive shopping recommendations that revolutionized e-commerce?

In the world of retail, data analytics has transformed how businesses understand consumer behavior. One breakthrough discovery revolutionized how retailers track and predict customer preferences, leading to the personalized shopping experiences we know today. This poll tests your knowledge of retail analytics history and the inventions that shaped modern shopping experiences. Can you identify the pioneering technology that made targeted retail recommendations possible?

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Collaborative filtering algorithms developed by Amazon in 1998
IBM's Market Basket Analysis software from 1992
Walmart's Supply Chain Forecasting System of 2001
Google's Retail Behavior Prediction Model from 2004