Which groundbreaking personalization algorithm, launched in 2000, was the first major system to recommend music based on user behavior rather than genre categories?

The music industry has transformed how it connects with consumers through personalization algorithms. From the early days of basic recommendations to today's sophisticated AI-driven systems, streaming platforms and music retailers have revolutionized how we discover new artists and songs. This poll tests your knowledge about the technological milestones that have shaped how music finds its audience in the digital age.

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The Music Genome Project (Pandora)
Spotify's Discover Weekly Algorithm
Apple's Genius Recommendation Engine
Last.fm's Audioscrobbler System