It is painful to be reminded of how poorly so many people watch out for themselves. As an uninterested third party, you can shrug and say, "Every man for himse

It is painful to be reminded of how poorly so many people watch out for themselves. As an uninterested third party, you can shrug and say, "Every man for himself." But as soon as you start designing web applications that assume people behave reasonably, you lose the luxury of being able to ignore the problem.