The world's first compact disc (CD) was produced by Philips and Sony 25 years ago, revolutionizing the music industry and becoming a dominant format. CDs have sold over 200 billion units worldwide and are still popular despite digital downloads' growth. The CD's development involved overcoming technical challenges, and it was initially aimed at holding an hour of audio but extended to 74 minutes for a complete symphony. Although CD sales have declined in recent years, they remain a significant format, cherished by some music enthusiasts. Here is an article from BBC News on the compact disc turning 25.
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