Having third-party manufacturers add functionality to the iPod after the fact is something Apple's familiar with, and this miShare song swapping gadget enables the iPod to join Microsoft's Zune space in song sharing. The $100 device has dock connectors on both sides, essentially ass-to-assing two iPods in order to allow them to pass songs back and forth. It's still unclear what types of songs, how many, and if movies and pics can be transferred, but an idea like this can snowball into something great if it's in the right hands. [ExpertLancer]