iCloud is a service been offered by Apple Inc. which was announced to be introduced on June 6th, 2011 at the Apple’s Worldwide Developers Conference (WDDC). This service will enable users to store some of their valuable data such as music and video files on the system and the data can also be retrieved back from the servicewhenever the user needs it and it can also be used to synchronize data from one device to another such as iPods to iPads and iPhones or back to your personal computer system respectively. It also works as a server for your emailing system and can store contacts and calendars and many other useful data. Each iCloud account holder will be given a 5GB of free data storage.
If you are an iTunes user, any music files that you purchased from iTunes will be downloaded to any registered mobile or computer device such as computer, iPhones, iPads (the device you’re using to access the iTunes download area) with the use of iCloud service.
One more benefits that you can get from using an iCloud service is that whenever you buy new songs or video from iTunes, even if at all you lost your device, you don’t need to download it again when you need it because it would have been Sync into the iCloud server and you only need to Synchronize it back to your computer or mobile device without any hassle.