Why the new rotation lock ?

With the iOS 4.2 update for iPad came a change in the rotation lock. The new way to lock the current orientation of the iPad is by double tapping the home button, swiping the bottom bar to the right and tapping the orientation lock button. The old rotation-lock toggle switch is now a mute switch like in the iPhone. BlogBooster-The most productive way for mobile blogging. BlogBooster is a multi-service blog editor for iPhone, Android, WebOs and your desktop