Your old flat screen doesn't even have to be that old to have missed the smart TV wave: The first modern smart TVs only came out in 2007 (via Smarter Home Guide).

News; Features; Ask the Builder: Make a new flat-screen TV look old Sat., Feb. 20, 2021 No, you’re not looking out a window. That’s a modern flat-screen TV that’s surrounded by window trim.

Even if you need to clean a TV with an old-school CRT display, a microfiber cloth is still the way to go, he says. You can also use an electrostatic duster. Step 2: Spray a new cloth with screen ...