iTunes lets you create your own personal digital music library, allowing you to manage and play your music collection with drag-and-drop simplicity. iTunes, the software part of the equation that lets you pack 7,500 songs in your pocket, automatically synchronizes with the sensational new iPod at high speeds over FireWire. iTunes gives you the ability to generate dynamic Smart Playlists that reflect your preferences and listening habits. With iTunes it?s easy to create CDs that play back on in your car, your home stereo, Macs and on Windows-based PCs. iTunes 4 adds the ability to share music among your Macs, play and encode AAC files, and view album art.