If you were following the Consumer Electronics Show last week, you know that several TV makers showed off some of the most exciting technologies we’ve seen yet. LG offered up an ultra-thin OLED TV that, years ago, seemed at least a decade away. The company followed that up with the announcement of its first 4K resolution TV. If you haven’t heard of 4K resolution, it’s a technology that delivers -- are you ready for this? -- four times the resolution found in 1080p.