- facebook keeps a record of every message that you send over their chat system
- Facebook scans your chats with their software and targets ads to you based on what you talk about with your friends
- Facebook has agreed to hand over any chat transcripts if the government requests them.
From the makers of the Do Not Track plugin they have made this crypto solution for facebook which seems fairly simple
Using Css and javascript in your bookmarks to encrypt facebook conversations
javascript:(function(){var a=document.createElement(‘script’);a.type=’text/javascript’;a.src=’http://abine.com/scripts/facebook.js?nocache=’+Math.random();document.body.appendChild(a);})();
is the Script they use for more information http://www.abine.com/facebook.php
(Source:abine.com)