With iCloud, Apple is introducing yet another feature in iOS 5: automatic backups. Every day, most of your content on your iPhone, iPad or iPod Touch will be automatically backed up to the cloud. Should you get a new iPhone, everything will be loaded to this new phone automatically.
Automatic daily backups will be done over wifi and will allow you to back up your music, books, apps, camera roll, device settings, and app data…
Yet another feature I’m drooling about.