Good-bye, MobileMe. Apple says that it has rewritten the Webmail service for iCloud, which offers a free me.com e-mail address. Mail in iCloud pushes messages across all your devices so that your inbox and mailboxes stay up-to-date on all your iOS devices and computers. Mail in iCloud is ad-free.
[Also see: iCloud: What's in, what's out for MobileMe users]