Official Google Blog: @Twitter: Welcome to Google Friend Connect
http://googleblog.blogspot.com/2008/12/twitter-welcome-to-google-friend.html

How to Google's friend connect works with Twitter

We're trialling Friend Connect on Dogear Nation's website, will be interesting to see what the take-up is like.

Add a social bar to your web site

social web

http://www.downloadblog.it/post/8922/rendere-il-vostro-sito-sociale-con-la-social-bar-di-google