Earlier quoted context omitted.
I'm not sure how important of a mindshare property it is. I would guess most users don't even realize that Microsoft owns Skype.
I beg to differ. Nowadays Skype is always inquiring people to convert their account to a Microsoft Account! The "Metro"/"Modern" version of Skype for Windows 8 even requires a Microsoft account.
It seems obvious to us, but we are an exception. Most of the people just don't care.