How Well Do Microsoft's Xbox, Skype, Office, and SkyDrive Work Together? - Businessweek

Check the full article for some current pros/cons

"Over the last 18 months, Steve Ballmer has been insisting that Microsoft (MSFT) is evolving from a software maker to a “device and services company”—a distinction that’s supposed to focus consumers on the company’s tablets and phones and the programs that are designed to seamlessly link them. As someone who covers Microsoft, I need to be familiar with the company’s products. [...]
After using all of them extensively, I can safely say that if Ballmer and Microsoft really want consumers to make this turn, the interconnections between all of these services still need a lot of fine-tuning."

How Well Do Microsoft's Xbox, Skype, Office, and SkyDrive Work Together? - Businessweek