If anyone doubted that the smartphone’s heyday was over, they only needed to attend the Consumer Electronics Show (CES) in Las Vegas last week to see proof that the mobile chip and platform providers are desperately in search of the next goldmine. A few smartphone launches barely grazed the headlines, while the giants of the mobile device world talked of anything but handsets. The markets which they hope will offset the slowdown in smartphone growth are predictable – the most-heard acronyms in 2017 were the same as at CES 2016 – IoT (Internet of Things), AI (artificial intelligence), VR (virtual reality), and so on. But the vendors are starting to focus more on specific products and commercial launches, not just…