cookies

Cross Domain Cookies and Communication

Well there are very good articles on the above topics and I have also read and experimented few, thought of sharing jist of how cross domain and cookies and communication work.

Cross Domain Cookies
Well Login into google.com and bang
i.e without loggin out just surf gmail.com or orkut.com or picasaweb.google.com and you do not have to login again, you are already logged in