Major MobileMe Features
Although Apple is constantly tweaking the capabilities of MobileMe, here are the major features as of June 2009:
Synchronization: If you have more than one computer (or a computer plus an iPhone or iPod touch), you can keep key information—your contacts, calendar, and more—in sync on all of them automatically. I cover the details in Keep Your Data in Sync (p. 21).
MobileMe Mail: Your MobileMe membership includes one or more email addresses (using the format member-name@me.com or member-name@mac.com); you can check and send email via the MobileMe Web site or use a program such as Apple Mail. For details, see Mail (p. 35). You can also use your MobileMe address for instant messaging with iChat or AOL Instant Messenger (AIM). ...