More to explore:
The iPhone Boom Mic - A compact mic for iPhone video recording that sounds as good as it looks. ($40.00, http://photojojo.com/store)
iPhone boom microphone.
iPhone microphone for perfect sound with your videos. Even though i'm not a big fan of iphones this is kind of cool!
If you’re into making videos on your Apple iPhone, then you might be interested in this new boom mic accessory that will give you better sound for your productions.