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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. The iPod is a brand of portable media players designed and marketed by Apple Computer. Devices in the iPod family are designed around a central scroll wheel (except for the iPod shuffle) and provide a simple user interface. The hardware of a computer is infrequently changed, in comparison with software and data, which are "soft" in the sense that they are readily created, modified or erased on the computer. It is in embedded systems in automobiles, microwave ovens, electrocardiograph machines, compact disc players, and other devices. All three models were released in 2005. Discontinued versions include two generations of the full-sized iPod, all of which had monochrome screens (except for the iPod photo). The bundled software used for uploading music, photos and videos to the iPod is called iTunes. Computer hardware is the physical part of a computer, including the digital circuitry, as distinguished from the computer software that executes within the hardware. Most computer hardware is not seen by normal users. The most recent version of iTunes has video organization