I’m fresh from a couple of days wandering the halls of the Consumer Electronics Show, affectionately known as CES — the annual conference that descends upon Las Vegas in January and proffers the latest in technological solutions to improve every aspect of our daily lives. This was my first time attending the world’s biggest technology conference, where 4,500 companies this year were vying for the attention of 180,000 attendees, according to my Uber driver. Judging from the crowds, that estimate sounds about right.  As I made my way through the mob at the massive Las Vegas Convention Center and other conference venues, I tried to get a sense of the common themes defining consumer innovation as we begin a new decade.  Yes, there were a lot of big TVs, something for which CES is known. Samsung is making news for unveiling a bezel-free television that “disappears” by displaying an image that matches your wall. Sharp and Konka showcased transparent display screens, in Konka’s case taking the form of “smart windows” you could install in your house to augment the world outside with digital animations.  LG had probably the most impressive digital display in terms of size and beauty: a h...