“So you’ve got an iPod, you go and buy music but then your machines dies, or have many many computers and devices you listen to music on, or maybe sometimes you use an operating system not supported by iTunes, how can you listen to your purchased music? Well, usually you can’t- why? Because the songs you purchased are DRM protected, that means you can only listen to them on specific computers and devices. For most folks the limits of a few computers or devices are fine, but for the gadget geek- nope, we have too many computers and devices. It would be like buying a DVD but only being able to watch it in some rooms, or only some TVs.
Now to be clear, this isn’t a way to take music you bought and give it to someone else, this is so you can listen to your own purchased music on other systems or devices. In fact, your personal info is still in the file.”