After Edison made the first recording of
sound on the phonograph in 1877, the digital recording of sound has come a long
way. Since then, we’ve had discs, electric recording, magnetic tape, cassette
tapes, CDs, and finally the MP3 in 1992. In 1996, the very first song was
illegally copied from a CD and posted on the Internet, Metallica’s “Until It
Sleeps.” The act of MP3 compression could feasibly turn a 50MB song from a CD
into about 3 or 4MB. Hours of downloading could turn into merely minutes. The
International Federation of the Phonographic Industry estimated in 2008 that 95%
of downloaded music on the Internet would be illegal.
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