If you have Hotmail account, you should claim your free 25GB now. Today, Microsoft released the new SkyDrive apps gives you automatic access to your files across PCs, Macs, iPad and mobile. The drawback, Microsoft reduced the free 25GB to 7GB. For existing Skydrive customers, you must claim 25GB now or your account will be reduce to 7GB.
Microsoft notified you your SkyDrive free storage is changing.