Hey developers, does iOS 7 have automatic brightness, as well as other stuff that iOS 6 already has? For instance, if you are texting a person who does not have a iMessage, is the message still in green? Or does it go to all blue now? Can you have a different wallpaper for the home screen, and for the lock screen? Can you still tap to post to Facebook like you could in the notification drop-down menu? Just some questions that I am curious about! Thank you for your time! Does anybody know if these exist still?