When a customer orders a book at Amazon.com, the online retailer recommends related books that have been purchased by other customers who bought that book. Amazon is using a(n):
A) aggregating approach.
B) CRM database.
C) clustering approach.
D) disaggregating approach.
E) generic market.

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The Answer of When a customer orders a book at Amazon.com, the online retailer recommends related books that have been purchased by other customers who bought that book. Amazon is using a(n):
A) aggregating approach.
B) CRM database.
C) clustering approach.
D) disaggregating approach.
E) generic market.

When a Customer Orders a Book at Amazon