Apple, this had better be good; you made us wait more than seven years for this to unfold. At long last, the company has introduced the iPhone Duo, its first entry into the foldable device category, and first major hardware release under new boss John Ternus. And, on a personal note, I've never seen my peers this hyped for a device. The National gave the device a spin and ran through its features – and there are certain things that are second nature to iPhone users that have been shaken up.