iTunes hides clues that Apple is preparing to go 4K
 

It's inevitable for a massive digital store like iTunes to start selling 4K movies and videos, and that time might come sooner than you think. MacRumors forum member Tomas Jackson from the UK reported noticing something unusual in a receipt of his mo...

https://www.engadget.com/2017/07/29/...k-movies-clue/