Of course, if Apple hadn't killed OpenDoc, I would still be using Cyberdog, but that's another story. Back to my rant. I do not want my data stored and controlled by Microsoft, or any other company. I do not want to trust them with my data's privacy or security. I certainly never want my data to be held hostage by whether or not I paid my bill to Microsoft, or some other service provider, on time.
Accidents happen and payments get misplaced.
To be fair, perhaps Microsoft has all of this worked out so that all of my interests are protected. I don't believe that for a second, but even if it were so, you know what they say about plans, mice, and men. I think Bill Gates and Steve Ballmer have confused what is best for Microsoft for what is best for their customers. While it would theoretically make some minor aspects of computing more convenient for some, it's only real effect is to insure Microsoft's revenue stream. It will also serve to put most other application developers out of business as Microsoft will have direct control over what goes out through .Net.