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Big Surprise—Nobody Wants 8K TVs
(www.howtogeek.com)
This is a most excellent place for technology news and articles.
I have a 43" 4K and at that physical size display scaling at 100% is appropriate (despite windows trying to run it at 300% out of the box) and it is legitimately useful. Its effectively four 1080p screens in a grid with no bezel between.