Two decades before Apple unveiled the iPod, a British inventor named Kane Kramer filed a patent for his digital audio music player, which he called the IXI.
The device was roughly the size of a pack of cigarettes, featured a four-button control system, and could hold about three and a half minutes of music.
"In a matter of second," the filing read, "a live performance at Carnigie Hall [sic] can be recorded and available in shops all over the world."