iPod originally lead by Tony Fedell from Pixo. 

iPod shuffle

shufflehacks, hack on iPod shuffle, someone even add FM to it! Is call iMouse FM transmitter.

(The FM transmitter allow listen music on the car, it broadcast out the ipod music as FM frequency, so your car radio can received it)

iPod  nano

Display resolution 176x132 pixels.

iPod Linux and Podzilla