The biggest change is that the push technology used by iCloud means you’ll no longer have to synchronise your Mac with your other Apple kit using the MobileMe synchronisation settings found in System Preferences; it will just happen automatically.
Need to change your partner’s mobile phone number? Change it in Address Book on your Mac and that change will be pushed to the Contacts app on your iPhone, iPod and iPad in an instant. You won’t even need to do a thing.
However, the there’s a whole lot more to the way iCloud works. The aim of this feature is to tell you about each one and how it will affect the way you use your Mac and other devices. Let’s start with the basics.