Longing to get reacquainted with your hog? Looking to not get all lonely on the open road? Cardo Systems -- which has been doing the whole intercom-laced motorcycle helmet for years now -- has just pushed out its latest concoction, and the Scala Rider G4 looks to be the most advanced version yet of the talking cranium protector. Aside from boasting an integrated Bluetooth chip for handsfree calling and voice activation, there's also a built-in FM radio and an intercom system that enables up to four riders to communicate within a full mile of one another. The company claims that the G4 is the "first Bluetooth headset to offer group intercom be
