Finally, Apple has given users a way to sync their purchased music, apps, and books wirelessly. With iCloud, whatever you download on one device--your iPhone, iPad, iPod Touch, or computer--can be set to automatically download on all other devices.

For example, when you purchase a song from iTunes using your computer, it'll immediately be downloaded onto your iPad also. Or, if you purchase a book on your iPhone, it'll be downloaded to your computer and your iPad as well.

More iCloud features, including calendar syncing and Photo Stream, will launch in the fall. Until then, you can use the iCloud beta for free to sync your music, apps, and books. Here's how:

Note: iCloud syncing is not yet available for Verizon subscribers.