What makes the iPod shuffle different, is that instead of storing the data on a hard disk, it stores the data on flash memory. The iPod shuffle only weighs 22 grams or .78 ounces. This is less than the weight of your car keys.
The user can easily load a specific selection of songs into the iPod shuffle and play them in random order. This is why it is called shuffle. Research told Apple that the users of iPods often used the “shuffle” feature to listen to their library of songs.
The iPod shuffle uses the “autofill” feature in iTunes to load up the songs at random from the user’s music library or from a specif playlist. Then iTunes will copy as many tunes as it can into the iPod shuffles memory.
There are two different versions that you can purchase. The first is 512MB and plays 120 songs. The second is a 1GB version and it can play 240 songs. Apple estimates that