So Google doesn't provide Microsoft with any YouTube apps, but Microsoft provides Google with Microsoft apps that are even better than the ones on Microsoft's OS. Same situation with Apple, and now Cortana, who was exclusively designed for Windows operating systems is going to them, and i can almost guarantee that Cortana will work better for their OS... Microsoft, I have supported you for a long time, but you are just a bunch of wussies. Instead of diverting your efforts to your own OS you're improving others.... Does this make any sense? Sure you will be making money off of these two mobile OS juggernauts' but you're giving people zero reason to purchase a windowsphone. Which will make you lose money, and make the little time and effort(in comparison to Google and Apple) you put into this OS a complete waste. If not for the UI Apple and Google will have everything that windowsphones have, but better, in addition to the advantage that they already have. But Microsoft already knows that.