The iPod spawned a line of products, including the iPod Mini, iPod Nano, iPod Shuffle and iPod Touch.

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But Jobs hasn't been afraid to mess with his winners, replacing the hot-selling iPod Mini with the iPod Nano in September 2005, less than two years after Apple introduced the Mini.

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From the iPod Nano and iPad Mini to the iPod Touch and the iPhone 5, Apple spared no expense in making sure that every product was refreshed.

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