It has been learnt that Mozilla Firefox browser will soon be automatically blocking third-party cookies starting with Firefox 22, according to the Stanford University researcher who coded the change.
Mayer kick-started the change last December when he submitted code to the Bugzilla bug-tracking database operated by Mozilla. It was Mayer's first contribution to the open-source Firefox.
Mozilla has added the cookie change to Firefox's "Nightly" channel, the browser's roughest-edged version. Unless the modification is sidetracked or Mozilla changes its mind, the new policy will first appear in a final release of Firefox on June 25.
Read more about it at: Computer World