I just saw http://uservoice.com/login. It uses Google accounts, Myspace, Yahoo, OpenID and all to sign in customers into its site? Can I do that?
I mean, customers n
You should look at the OpenID Enablded PHP library (http://www.openidenabled.com/php-openid/).
This should play pretty nicely with any LAMP installation without needing to use Zend.