Amazon uses ________ to suggest products similar to products you have purchased.

A) a recommendation engine
B) facial recognition
C) natural language processing
D) unsupervised learning

Recommendation Engine

A system that uses algorithms to provide suggestions or recommendations to users, typically based on their preferences and behaviors.

Facial Recognition

A technology capable of identifying or verifying a person from a digital image or a video frame by analyzing facial features.

Unsupervised Learning

A type of machine learning that infers patterns from unlabeled data without guidance.