Apple has also returned to the seamless aluminum casing the wraps entirely around the player from the face to the rear. As with all iPods, custom engraving on the back is offered for free at check out if you purchase directly from the Apple Store.© 2008 CNET
By far the most noticeable changes comes to the iPod Nano, now in its fourth generation. Apparently, Apple thought better of the short and squat design and has lengthened the player back to the height of the 2G.© 2008 CNET
The 4G iPod Nano is also ever-so-slightly thinner than its predecessors at 0.24 inch, and it tapers in noticeably at the edges.© 2008 CNET
The built-in accelerometer has another function: shuffle shake. Simply shake the player, and it will automatically switch to shuffle playback mode.© 2008 CNET
Apple also updated the iPod Nano's interface to match that found on the iPhone and iPod Touch. It uses the Cover Flow navigation, and has an accelerometer that automatically switches the screen orientation based on how you're holding the player.© 2008 CNET
The new Nano also has Genius, a new autoplaylist feature debuted in iTunes 8, built right in. With a few clicks, you can have the player create a playlist for you based on one song of your choosing. The lists are assembled based on song data gathered with© 2008 CNET
As with the Classic, the Nano will offer voice recording via a mic built into the headphone cable. Apple has also decided to offer its own pair of premium in-ear headphones for $70.© 2008 CNET
The 4G iPod Nano is offered in a startling array of colors--nine of them, to be exact, all as brightly hued as the Shuffle.© 2008 CNET
