Openess has many layers - this is about Microsoft dictating to developers what they can and cannot do on their platform.
On the web everybody is welcome. If you don't like any of Google's services, you can create your own clone, and people can use it by just entering an URL in a browser.
Now imagine for a second how 2012 would look like if Microsoft banned Firefox because it "duplicates existing functionality" or other such invented guideline for the good of their app store ... because that's the direction Microsoft and Apple are taking us. And btw, just so you know, Firefox or Chrome cannot run on top of Metro.
On the web everybody is welcome. If you don't like any of Google's services, you can create your own clone, and people can use it by just entering an URL in a browser.
Now imagine for a second how 2012 would look like if Microsoft banned Firefox because it "duplicates existing functionality" or other such invented guideline for the good of their app store ... because that's the direction Microsoft and Apple are taking us. And btw, just so you know, Firefox or Chrome cannot run on top of Metro.