Which pioneering algorithm, developed in the late 1990s, revolutionized e-commerce by creating the first widely-adopted 'item-to-item' collaborative filtering system for product recommendations?

In today's data-driven retail environment, personalization algorithms have transformed how businesses connect with consumers. These sophisticated systems analyze countless data points to deliver customized experiences, product recommendations, and targeted marketing. But how well do you understand the technology powering modern retail personalization? Test your knowledge about the algorithms that are reshaping the shopping experience and driving business decisions across the retail landscape.

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Amazon's A9 Algorithm
Netflix Prize Algorithm
Google's PageRank
Facebook's EdgeRank