Find relevant and reliable medical information on common disease from medical index.
As of July 2006, the lineup consists of the 5th generation iPod, with a video player; the iPod nano, with a color screen; and the iPod shuffle. Devices in the iPod family are designed around a central scroll wheel (except for the iPod shuffle) and provide a simple user interface. As a music jukebox application, iTunes stores a comprehensive library of the user's music on their computer and can play, burn, and rip music from a CD. The iPod is currently the world's best-selling digital audio player, and its worldwide mainstream adoption makes it one of the most popular consumer brands. The most recent version