Check the article link below for a review of the past, present, and future of Apple’s cloud services
If you are an Apple MobileMe customer, now is the time to start planning your transition to Apple's iCloud service as some parts of MobileMe are going away. While the move from MobileMe to iCloud is bound to be rocky, the good news is that there are third-party alternatives. However, there are some services that people have taken for granted which just won't be available when Apple pulls the plug on MobileMe next summer. While Apple never really seemed all that committed to MobileMe anyway, many of its features didn't keep pace with the competition. And with some planning and exploration of alternatives, other MobileMe users are likely to find they've wound up in a better place as well.