Which innovative advertising technique did Netflix first implement in 2015 that revolutionized how streaming platforms personalize movie/show promotions to different viewer demographics?

The film and television industry has undergone massive transformation with the rise of streaming platforms. These services have not only changed how we consume content, but also revolutionized marketing strategies, audience targeting, and product development in entertainment. This trivia question tests your knowledge about a pivotal advertising innovation that changed how streaming platforms promote new releases to different viewer segments.

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Artwork Personalization (showing different thumbnails/artwork for the same title based on viewing history)
Embedded product placement advertising that changes based on viewer preferences
Dynamic trailer editing that highlights different scenes based on genre preferences
Geo-targeted content recommendations based on regional viewing trends