It's a fair opinion. In a way Facebook solved it by not allowing the sharing any more. In the birthday cards case the app is benign, it gets the data so that fr

It's a fair opinion. In a way Facebook solved it by not allowing the sharing any more. In the birthday cards case the app is benign, it gets the data so that friends can send you a card on your birthday. Without some mechanism to get friends birthdays, this class of app just cannot exist.