And while one or two concept gadgets isn't anything new for the industry, I'm not sure I can remember a trade show with so many products that… aren't actually products. Not that there's anything ...

Have you ever thought about controlling devices through your thoughts? It may sound like something straight out of science ...

After scouting the CES show floor over the past four days, here's a look at the best gadgets, technologies, and concepts I came across.