Video technology and performance is advancing at a breakneck pace. It seems only a few years ago that ‘full HD’ (1080p) was the best thing ever, but now 4K video is the norm and there's a growing list ...

If you've seen TVs in stores or shows on Netflix labelled with '4K' or '1080p' resolutions but aren't sure what that means or, indeed, what the differences between them are, you've come to the right ...