iTunes Version 10.5.1 simply improves some of the functonality of the iCloud released with iOS version 5.
Specifically the iTunes update introduces iTunes Match....
- Store your entire music library in iCloud, including music you've imported from CDs, and enjoy your collection anywhere, anytime, on your iPhone, iPad, iPod touch, computer or Apple TV.
iTunes 10.5 also included:
- iTunes in the Cloud. iTunes now stores your music and TV purchases in iCloud and makes them available on your devices anywhere, anytime, at no additional cost.
- Automatic Downloads. Purchase music from any device or computer and automatically download a copy to your PC and iOS devices.
- Download Previous Purchases. Download your past music, TV, app and book purchases again, at no additional cost. Previous purchases may be unavailable if they are no longer on the iTunes Store.
- Sync with your iPhone, iPad or iPod touch with iOS 5.
- Wi-Fi Syncing. Automatically sync your iPhone, iPad or iPod touch with iTunes anytime they're both on the same Wi-Fi network.
