4K resolution -- what is it, do I need it?

[chas_m]

Over at MacNN we've just run a useful article (I didn't write it, but I threw in a bit here and there) on what 4K resolution (for TVs, computer monitors, movies, and so forth) is, where it's useful, where it's not that necessary yet, and what the future holds. If you've wondered, here's a guide.

http://www.macnn.com/articles/16/06/09/ ... ry.134545/