Vudu starts streaming 4K movies to the Roku 4
 

Vudu's 1080p HDX streams were once considered high quality for streaming movies over the internet, (now they're even watchable on phones) but in the last year Amazon and Netflix surpassed them with 4K resolution and even HDR. Now Vudu is stepping u...

http://www.engadget.com/2015/10/22/v...to-the-roku-4/