Who knows why but if this gets you to switch.

Link:
http://…/jh/mozilla/firefox_internet_explorer/

Check out these posts too:

  1. Make Firefox full screen even better with Fullerscreen
  2. Mozilla Admits Firefox Exploit Caused by Firefox Bug, Not IE
  3. Firefox 4 released today
  4. Firefox v1.5.0.2 released
  5. Jumped the gun with Firefox
  6. A peek inside of Firefox 3
  7. Mozilla to end support for Firefox 2