And objectively speaking, beyond their core product, which Bar has been a success? Arguably the X-box.
Windows phone? Nope.
Azure? Please, be serious.
Mice? Maybe, a long time ago, but not today.
Kin Studio? Nope.
Courier? Do you even know what this is?
Keyboards? Some people like them for some unfathomable reason. They are not unlike a myriad other keyboards out there.
Microsoft knows how to fail. That's good. Microsoft has a real issue with acknowledging they have failed. That's bad.