We bet you're yawning at the mention of 4K TVs by now, but here's a slight twist on that high-res concept. LG is showing off the so-called Ultra HD Touch display at its CES booth. It's pretty much what it sounds like: a 4K TV with five-point multitouch. LG isn't demoing this product as a TV -- though technically it could work as your standard set; instead it has the Ultra HD Touch running an interactive program created by the French company Intuiface. We could tap to select and enlarge information on different periods of art history, and we could rotate and perform pinch-to-zoom with individual elements on-screen. We could also dive into a drawing app, which included different pen options for doodling directly on the display. Obviously, this sort of educational setup would be perf