...embarassment/humiliation can be a good teaching tool. If Twitter facilitates participation in being stupid, being publiclyexposed as being one can good for you. There's nothing more humbling than slapping on that "Idiot" label on your forehead...
http://news.cnet.com/8301-13505_3-10243288-16.html
...address information from the target machine, the usage of tools like Prelink[9] can also greatly help in hardening publiclyexposed machines from buffer overflow attacks. Prelink works by randomly generate mapping addresses for existing libraries...
http://xmail.eye-catcher.com/gmm.pdf