3rd party Hotmail cookie requirements.

In case some who use Hotmail have been seeing error messages when trying to log out

http://www.theregister.co.uk/2009/11/13/hotmail_cookies/

Hotmail seemingly always has some issue cropping up, let alone all the spam it has. Just because someone can't logout with 3rd party cookies disabled doesn't mean they can't logout, just close the Hotmail tab and empty all the browser cookies and other junk.