This simple iOS feature would make the iPhone better

No matter how hard I try, I simply cannot get used to the iPhone's lack of a home-screen specific orientation lock. The iOS "Portrait Orientation Lock" feature lets you completely lock your device orientation, so it doesn't rotate at all when you hold it horizontally (as detailed in this Macworld.com article, which reminded me of this particular pet peeve).However, once you enable the setting you have to manually turn it off if you want to use an app in landscape mode — unless that app wor