Windows 8.1 'not recommended' for upgrades, and Windows 7 sales cut-off looms
Apple trumps analysts' estimates, but iPhone 5S shortages impede sales
Faster and with longer battery life, but priced nearly the same as the originals
Gang responsible for Bit9 hack in February responsible for latest attacks exploiting IE 'zero-day,' says FireEye
Windows-first strategy remains sacrosanct, but 'We don't have our heads in the sand,' says Ballmer
Ad network Chitika says nearly a third of all North American iOS traffic now comes from Wednesday's upgrade
Gold model runs out first; other colors backed up 7-10 working days in U.S.
Quickoffice is now free to anyone with a Google account; but Microsoft execs promise Office will come to non-Windows platforms
'Smart move,' says retail expert, that will drive traffic
