Which major retailer famously used statistical analysis to predict customer pregnancies based on purchasing patterns, leading to a controversial marketing revelation in 2012?

Mathematics and retail have a fascinating intersection, particularly when it comes to marketing analytics and customer behavior modeling. Major retailers have made significant investments in mathematical approaches that revolutionized how products are marketed and sold. This poll tests your knowledge of a groundbreaking mathematical innovation in retail that changed an entire industry's approach to customer targeting.

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Target
Walmart
Amazon
Costco