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What's the best smart TV operating system
(www.makeuseof.com)
This is a most excellent place for technology news and articles.
I came here to say "none of them" because they all suck gigantic balls and I just use a NUC instead. I also just use unified remote on my phone to control it with a track pad keyboard as a back up.
Buy them fast, cause they're discontinued!
Asus bought the NUC brand