Final answer:
In 1999, Napster revolutionized the music industry by introducing a music downloading and file sharing application that allowed consumers to easily obtain music and videos for free. Although Napster shut down in 2001, its impact on the industry was significant and shaped the future of music consumption.
Step-by-step explanation:
In 1999, Napster revolutionized the music industry with its music downloading and file sharing application. This allowed consumers to easily obtain music and videos for free, completely changing the way people consumed and shared music. Although Napster faced legal challenges and eventually shut down in 2001, its impact on the industry was significant and paved the way for future music streaming and sharing platforms.