This program has been in private beta for a while now — but just recently it was opened up for everyone to use. Friend Connect is an extremely simple way to make any website you have a bit more social — people that “join” your site (which I think can be confusing when you already have a mechanism for users to sign up) can use embedded Google gadgets which take advantage of Google’s Open Social API.

http://blogs.zdnet.com/Google/?p=1199