The Login-Engine uses session to store the user information,if there is a situation that high concurrent invitation that occurs in that website,will session be a heavy load? btw,is there any reference of implementing autologin using cookies?I found one in http://www.mattmccray.com/archives/2005/08/26/forget-me-not/,but it uses session while not cookie, Del.icio.us use cookie to enable autologin,i think it will not give the burden to website,any references?thanks -- Posted via http://www.ruby-forum.com/.