I think OpenID has proven to be uneffective, some (HN popular) sites have removed it again (37signals? not sure).
I have problems with OpenID, too, because I tend to be unable to remember which OpenID login I used for a site.
I have problems with OpenID, too, because I tend to be unable to remember which OpenID login I used for a site.
Or maybe it was that Yahoo creates several OpenID logins?