Which of these innovative music products first introduced the concept of 'shuffle play' that randomly selected songs from the user's personal music library?

The music industry has seen countless innovations in how we consume audio, from vinyl records to streaming services. But some product launches have truly revolutionized the entire landscape of music consumption. This poll tests your knowledge about one of the most significant product developments that transformed how people experience music on the go. Do you know which groundbreaking device first allowed millions to create truly personalized mobile music experiences?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Sony Walkman (1979)
Apple iPod (2001)
Diamond Rio PMP300 (1998)
Philips Digital Compact Cassette player (1992)