Six years ago today, on October 23, 2001, Apple CEO Steve Jobs introduced the iPod, a $399 hard drive-based MP3 player with a unique Scroll Wheel and bright white LCD interface, an amazingly pocketable size, and high-speed FireWire for synchronization and charging. The first-generation iPod actually shipped in mid-November, eventually selling 125,000 units by the end of 2001. One hundred and twenty million units later, that iPod has evolved into?
