Another 2 quick iOS 5 hidden features

Since iOS 5 was announced, Apple promised that 200+ new features will be added to it. So we're covering another 2 on this topic.
1- While the camera app is running, swipe your finger across the screen to move to the pictures. Try it.
2- iOS 5 doesn't need any computer. So, how to delete songs? Simply swipe your finger across the song's name and the delete button will appear.

Have Fun.