"it was the open architecture of the Microsoft-based PC that spurred massive creativity" IBM-based, shurely? I mean, it ran MS software, but if they'd been in

"it was the open architecture of the Microsoft-based PC that spurred massive creativity" IBM-based, shurely? I mean, it ran MS software, but if they'd been in the hardware business they'd probably have done what Apple did, and produced a closed platform. That's more-or-less what they did with their software, after all.