Which innovative retail analytics system, introduced by Amazon in 1998, revolutionized book recommendations by analyzing purchase patterns and is credited with transforming the book industry?

The book retail industry has undergone massive transformations in recent decades. From traditional brick-and-mortar stores to innovative online marketplaces, how we discover and purchase literature has evolved dramatically. This poll tests your knowledge about a revolutionary retail analytics approach that forever changed how books are sold and recommended to readers worldwide.

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Collaborative Filtering Engine
PageRank Algorithm
Dewey Decimal Predictor
Literary Genome Project