CES 2020 has come and gone, and in many ways, the show didn’t disappoint. There were the usual big unveilings of the latest in TV and smart home technology, but there was also a healthy dose of the unexpected — surprising, bold, and downright weird stuff from both startups and big companies alike. That’s a relief since the worst thing CES could be is boring. No matter how strangethe product, though, there’s usually some kind of underlying logic to it (smart potatoes aside). Sometimes that logic is misguided or overlooks an overriding factor that makes the idea untenable. But in other cases the strangeness stems from the sheer audaciousness of the idea, or the unexpected creativity applied to a chosen solution. Such risks are necessary for progress. Iterating and refining products only goes so far — to really move things forward, you need to introduce something new. As the adage goes, if Henry Ford had done market research, he’d have made a faster horse, not a car. Here are the ideas of CES 2020 that didn’t just surprise me but also, after a little thought, convinced me they have real utility. They’re weird and unexpedted, but if their origina...