The main justification for 5G will be to support services and use cases that go well beyond those on traditional 4G smartphones. No surprise, then, that 5G was almost as hyped-up a theme at the Consumer Electronics Show (CES) in Las Vegas last week, as it will be at Mobile World Congress next month. The hope of the 5G initiative is that it will enable connectivity to penetrate, and transform, every aspect of consumer (as well as business) life via all kinds of new gadgets from in-car systems to wearables to video devices. Prior to CES, there was hardly a let-up in the pace of 5G tests and announcements, despite the holiday period. Our quick summary of the highlights is…