According to one developer, Windows 8.1 actually hides a ton of stuff under the hood: possible support for 4K screens, scanner support, better lock screen UI, and so on. But for now, the UI changes in Windows 8.1 sound like little more than just a few tweaks. Will PC buyers wait for Windows 8.1 or pass it over altogether? We'll find out in a few months, when the final version hits the streets. Until then, we'll have to wait for a preview version of OS update to be released at Microsoft BUILD at the end of the month.
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