There are well over 4 billion mobile phones in the world. Now imagine how many of those phones are stuck to the ear of someone driving a car. Annoying isn't it? And dangerous! And illegal in many places! However that's not stopping anyone now is it? Sure there are many different types of hands-free "kits" on the market to make using your mobile phone while driving much safer, but most of them are either too expensive, too complex or simply too bulky for most people. Griffin Technology has come to the rescue with an innovative way to enjoy your smart phone, in this case my iPhone 3GS, while driving. It's called the Hands-Free Mic + AUX Cable and it's ingeniously simply and effective.