CES, the year's biggest tech show, may feel completely different these days with all the self-driving car tech, but one thing you can always count on wowing are huge TVs. Like really big ones. Samsung kickstarted CES 2018 with a massive 146-inch 4K TV it's calling "The Wall." Yeah, it's a wall, alright. The Wall is the one of Samsung's many 2018 TVs to use a new display technology called "Micro LED.