Hmm...
Sounds like it's finally dawned on Microsoft that they haven't got a hope in hell of winning over the general public and so they're half-heartedly aiming towards the corporate sector now.
I swear that in another article I read that WM6.5 was being preserved for corporate use...
Either way it's no surprise to find that social-network integration will be almost impossible for third parties on an OS that is more of a prison than a walled-garden.