Come disabilitare i cookie mediante configurazione del browser
Explorer: http://windows.microsoft.com/it-it/windows7/block-enable-or-allow-cookies
Safari: http://support.apple.com/kb/PH11913
Chrome: https://support.google.com/chrome/answer/95647?hl=it-IT&hlrm=fr&hlrm=en
Firefox: http://support.mozilla.org/it-IT/kb/enable-and-disable-cookies-website-preferences