Facebook tracks what you do online, even when you're logged out - fixed but thanks for the detailed analysis

Nik Cubrilovic,  Entrepreneur, hacker and writer

original http://nikcub.appspot.com/logging-out-of-facebook-is-not-enough

Whilst the Important Update say Facebook has responded and issued a fix for this issue. See the follow up blog post "Facebook Fixes Logout Issue, Explains Cookies" I am very grateful that there are people about who go looking for this ....