There are lots of things that you can do with iCloud, and iCloud can do so much for you as well. We will cover most of the features in this book; some of them were recently introduced in the Apple's annual developer event, Worldwide Developer Conference 2013.
iCloud offers a lot of services that you can work with. There are Mails, Contacts, and Calendar as the main services, iMessage for sending messages or other content, Notes and Reminders, Photo Stream for keeping pictures taken with your devices and sharing them, iTunes in the cloud, iTunes Match, Documents in the Cloud, Backup, Find My iPhone for searching your lost devices, and more. We will look at all the services in the following sections