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Apple's iPod and iPhone dominate their respective product categories. So it's perhaps no surprise that iTunes, the software that helps those products perform much of their magic, is also virtually ubiquitous. Although iTunes began as a program for desktop computers, it's now available on some mobile devices, too.

Keep reading to see how the mobile version of iTunes is different from the full-size program. You'll also learn more about how iTunes works, and how the portable, compact iTunes is extending Apple's reach in the electronics market.

Full article at HowStuffWorks.com.

Total aggregation of HowStuffWorks.com.

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