I have heard that the iPhone 4's (and 4S) screen is extremely scratch resistant, so does this mean that a screen protector isn't necessary? I really don't want to get a case for the 4S. Why would I want to cover up such a beautiful phone? I do know that if I drop it the phone could get scratched or the glass could crack, but I haven't really had a problem with dropping my phones in the past (and I will be especially careful with this one). I just want to know from your personal experience if a screen protector is necessary. Preferably someone who puts their iPhone in their pocket.