Is 4K just marketing? Here's where the name really came from

4K is a catchier marketing term than 2160p, but the resolution also has this name for a reason.

4K is a catchier marketing term than 2160p, but the resolution also has this name for a reason.<p><img src="https://www.engadget.com/img/gallery/is-4k-just-marketing-heres-where-the-name-really-came-from/intro-1786133597.jpg" /></p>