9. Just two apps on screen at once
Microsoft made a big deal of Windows 8's ability to snap an application on one third of the screen so it was visible while another app occupied the other two thirds. Users could then snap back and forth between them. But after years of Windows operating systems that allowed as many open Windows as users wanted, that wasn't enough. Windows 8.1 fixes that with unrestricted apps on screen.
10. Supply of parts
Late last year and early this year there was a scarcity of touchscreens needed to make optimal Windows 8 devices. This supply chain problem has resolved itself.
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