What is the difference between the 1979 iPod and the 2011 iPod?
The real 'iPod' was first introduced in 2001, made by Apple. In
1979, Sony sold the 'Walkman', a portable audio player for cassette
tapes. As in, Apple iPods are digital mp4 players for music and
video, whereas the original Walkman played a single cassette at a
time.