The killer feature of the iPod wasn't the iPod itself so much as the iTunes Music Store. Apple solved the "how do the record labels make money" problem that wa

The killer feature of the iPod wasn't the iPod itself so much as the iTunes Music Store. Apple solved the "how do the record labels make money" problem that was at the heart of the previous failures of portable digital music players. The micro-HDD that let you carry an actually useful amount of music was the other big feature. They weren't the first to have a big drive, but they were the first that had a big drive and a useable music store.