Is Youtube 4k really 4k?

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Tags

1. #content
2. #implemented
3. #youtube
4. #select
5. #google
6. #videos
7. #search
8. #compression
9. #option
10. #right
11. #codec
12. #within
13. #ultra
14. #streams
15. #support
16. #video
17. #quality
18. #chrome
19. #browser