So far so good. However, 8K UHD – the main standard for 8K video – isn’t quite 8,000 pixels wide. In fact it’s 7680 pixels wide by 4320 pixels.

Which is to say, 8K is a long way from becoming a widespread format or feature. To get the most out of your 4K TV, you need 4K content. Fortunately, there's 4K content everywhere.