Actually Facebook is adopting OpenID. It seems to pick up thrive. And once the user has set up a OpenId, it makes things easier for him not having to remember multiple passwords. All we have to hope for is Google revisiting their faulty implementation. There is a question on SU about this, asking about [OpenId's future][1]. [1]: http://superuser.com/questions/505/is-there-a-real-future-for-openid