firefix aims to improve what happens when your browser can't find a website because of a DNS problem, essentially it learns from everyone's mistakes (by watching which page you go to after a DNS typo), download it here firefix.xpi. e.g. http://www.googlec.om > http://www.google.com http://www.dell.con > http://www.dell.com. latest version: extension 2006/06/03 0.7.3 complete rewrite.. latest version: website 2006/06/03 and a new server side too firefix was written by Neil Phillips  - many thanks to Pike for huge coding assistance.