Keeping sessions client-side
Just found an article on Saving Session Across Page Loads Without Cookies, On The Client Side (via ajaxian.com).
This is very usefull. I must see if it works in IE, Firefox (maybe Safari).
If it goes well (enough) this can be used to manage services “injection” in a web page, using ajax+client-side sessions. The service can be called using ajax, keeping its session on the client, which is very cool when the session contains (almost) only user data, as this way the user’s data don’t have to leave the user’s computer 
