Which retail giant famously developed the 'K-means clustering algorithm' adaptation that revolutionized customer segmentation and targeted marketing in the early 2000s?

In the intersection of mathematics and retail marketing, companies use sophisticated algorithms and statistical models to optimize their strategies. From predictive analytics to customer segmentation, mathematics plays a crucial role in modern retail success. This trivia question explores how a major company revolutionized retail marketing through mathematical innovation. Test your knowledge of how mathematical principles are applied in retail strategy!

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Target Corporation with their 'RedCard Analytics' system
Amazon with their 'A9 Algorithm' for personalized recommendations
Walmart with their 'Customer Orbit' segmentation model
Best Buy with their 'Customer-Centricity' mathematical framework