Current solutions to many-passwords problem are: * identity service like OpenID, Twitter, Facebook * Password Manager like LastPass, KeePass I wonder if, at

Current solutions to many-passwords problem are: * identity service like OpenID, Twitter, Facebook * Password Manager like LastPass, KeePass I wonder if, at least in some cases, we could somehow get rid of identity requirement altogether: given a site that currently requires user accounts, change its mode of operation so that identity either doesn't matter at all or doesn't matter as much (the site is useful for anonymous users)