What hidden features have you found in iOS 6? This is the required hidden gems questions for iOS 6. 

Here are the rules:


One feature per answer
Also include how you use the feature or why it is useful
Must be an under-documented feature. No "flag pole" features like VIP's in Mail.
Alarms can now make use of songs not just built in tones. Edit your alarm and select sound and then pick a song.