They adapted the component that generates clicks - or "squeaks" - as a user scrolls through the on-screen menu in order to extract vital information from the latest generation of the device. This allowed them to install an alternative operating system and make their iPods run games and other new programs.
I can't help but be reminded of old movies where a thief slooowly turns the wheel of a combination lock and listens to the tumblers fall in order to crack a safe.
So much more elegant than bringing out the blowtorches, don't you think?
