Which retail personalization technology holds the Guinness World Record for 'Largest Personalized Product Recommendation System' based on data points processed per customer?

The retail industry has seen remarkable advancements in personalization technologies, with some innovations setting world records for their impact on customer experience and sales. This trivia question challenges your knowledge about a significant milestone in retail personalization technology that earned a place in the record books. Test your expertise on how cutting-edge personalization has transformed retail at a record-setting scale!

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Amazon's Dynamic Pricing Algorithm (780 million data points per customer)
Alibaba's Taobao Magic Mirror (1.2 billion data points per customer)
Walmart's Store Assistant App (550 million data points per customer)
Target's Circle Personalization Engine (890 million data points per customer)