Which retail personalization algorithm holds the Guinness World Record for analyzing the most customer data points simultaneously for real-time product recommendations?

The retail industry has seen remarkable innovations that have broken world records and transformed how consumers shop. From the largest e-commerce platforms to the most advanced personalization systems, retail companies continue to push boundaries and set new global standards. Test your knowledge about record-breaking retail innovations that have earned their place in the history books and shaped consumer behavior worldwide.

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Amazon's A9 algorithm (processing 2.5 billion customer behavior patterns daily)
Alibaba's Taobao Magic Mirror (processing 3.8 billion data points per recommendation)
Walmart's Store No. 8 algorithm (analyzing 1.9 billion customer journeys simultaneously)
Target's Pregnancy Prediction algorithm (processing 1.2 billion shopping patterns concurrently)