Perhaps they're using something like this method of guessing gender based on browsing history: http://www.mikeonads.com/2008/07/13/using-your-browser-url-histo

Perhaps they're using something like this method of guessing gender based on browsing history: http://www.mikeonads.com/2008/07/13/using-your-browser-url-history-estimate-gender/ http://www.mikeonads.com/2008/07/13/using-your-browser-url-h...