Which streaming platform first implemented a sophisticated recommendation algorithm that reportedly influenced over 80% of content watched on its service?

In today's competitive streaming landscape, platforms are constantly innovating to gain market share and retain subscribers. One key strategy involves exclusive content and user experience. This trivia question tests your knowledge of how major streaming platforms have leveraged technology and analytics to personalize the viewer experience and influence content consumption.

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Netflix with its Cinematch algorithm (later evolved into the Netflix Recommendation Engine)
Amazon Prime Video with its X-Ray technology and collaborative filtering system
HBO Max with its Content Discovery Optimization framework
Disney+ with its Engagement Prediction System