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All About iCloud
The iCloud logo
iCloud is a service provided by Apple that stores your music, TV shows, and other files in the cloud (online). It also automatically pushes (downloads) your files to all of your devices so that they stay up-to-date. It works with iOS devices (such as the iPad and iPhone), Macs, and even Windows PCs. With iCloud, you'll no longer need to connect your iOS device to your computer in order to sync your files and settings; everything will stay in sync automatically and wirelessly.
When you sign up for iCloud, you will get 5 GB (gigabytes) of storage space for free. If you want, you can buy additional space for a yearly fee (currently $20 per 10 GB). Your music, TV shows, and photos won't count toward the 5 GB limit, so you may not need to buy additional space.
Watch the following video from Apple to see some of the things you can do with iCloud.
About Push Technology
With iCloud, as well as other online services, you'll often hear about push technology. This simply means that the file is downloaded automatically. For example, if you have a mobile phone with push email, your phone will download each message and notify you as soon as it's received - even when you're not checking your email. iCloud uses a lot of push technology, which helps to keep everything convenient and simple for the user.
iCloud is just one of many services that use the cloud. To learn about the cloud, check out our lesson Web Apps and the Cloud from our Computer Basics tutorial, or view our What is the Cloud? infographic.