Hmm...
....not sure about this. I think Nadella will balls it up and instead of leaving it as is, with interfere with it making it worth a lot less than what they've paid for it. Especially if he turns it into a subscription based service, then he'll knock billions off it's worth.
I assume all the competitors code will be staying? Or will they have to pay a fee? Like GAM for GSuite that is run by an independent but for Googles E-mail system instead of Exchange.
Biting the hand that feeds IT
