Google tips: Free comment box from Google friend connect

Google friend connect service have provided us a very user friendly comment box in order to help webmaster to more understand their visitors. This comment box is not only free of charge, all comments can also be moderated my webmaster to avoid spam. I feel very sad about my friends who have be spam just because using free comment box which do not allow webmaster to moderate their comments. Thanks again to our big provider, Google, here.