>you hit lots of fun design problems. Single user login is a design problem! When I hand my tablet off to someone they have access to my gmail, gtalk, faceboo

>you hit lots of fun design problems. Single user login is a design problem! When I hand my tablet off to someone they have access to my gmail, gtalk, facebook, twitter, imap email, browser sessions and dropbox. And that's just what I can recall on the fly.