Which innovative music product feature was first introduced by Shazam in 1999, revolutionizing how consumers identified unknown songs?

The music industry has undergone radical transformation with digital technology. Streaming services, mobile apps, and innovative customer experiences have revolutionized how music is discovered, consumed, and monetized. This trivia question focuses on a significant product innovation that changed how consumers interact with music in the digital age. Test your knowledge about the evolution of music product technology!

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Audio fingerprinting technology that could identify songs by listening to a short sample
Algorithmic music recommendations based on listening history
User-created shareable playlists across devices
Offline music downloading for premium subscribers