Classically Microsoft would snub Apple at every turn. Since a few years after the iPhone cornered the market on smartphones and then the iPad stormed the beaches Microsoft has become the underdog and seen the light. So now they do whatever they can to hook themselves to the Apple train.
SkyDrive is an excellent value and if you have snared your free 25G of cloud space then this is good news. They have released an update to SkyDrive for iOS. This supports iPhone 5 and iPad Mini. Better controls for photos and general smoother integration with files.
Someday someone is going to invent a clean interface to seamlessly integrate my 5 cloud services into one.