This has been done before: http://www.chrisfinke.com/addons/facebook-scavenger/ http://www.chrisfinke.com/addons/facebook-scavenger/ and was shut down by Facebo

This has been done before: http://www.chrisfinke.com/addons/facebook-scavenger/ http://www.chrisfinke.com/addons/facebook-scavenger/ and was shut down by Facebook Facebook Scavenger was a Firefox extension that allowed you to export your friends' contact info, including e-mail addresses; Facebook will most certainly send Brad a takedown notice as well.