Which music product innovation resulted in the fastest revenue decline for traditional physical album sales?

Test your knowledge of revolutionary product development in the music industry! This poll challenges you to identify which innovative music format or distribution method truly disrupted the industry during its introduction. Each option represented a significant shift in how music was consumed, but one stands out for its particular impact on the business model and consumer behavior.

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

MP3 players and digital downloads (1999-2003)
Compact Discs (1982-1985)
Music streaming services (2008-2011)
Cassette tapes with Dolby noise reduction (1970-1975)