Since the launch of Windows 8, Microsoft has been under attack about forcing users to a less usable Operating System. That is why its doubly nice to see Microsoft having cause to celebrate. Microsoft is celebrating 250 million SkyDrive users.
Microsoft is forcing Windows 8 on consumers buying a new PC and SkyDrive is intimately tied into windows 8 so it is logical that the giant's online cloud storage service got a bump in usage. It is a decent competitor to Google Drive, Box and Sugarsync but falls short of Dropbox.
Microsoft blog article.