In a nutshell…
Google recently launched it’s version of social networking… by tying the sites you visit together via one universal, open platform.
The advantages of adding this feature to your site means that people can join your site by simply clicking one button and signing in using their Google or any OpenID account. This then allows the user’s friends on Google to see they joined your site, making a potential viral marketing oportunity. Not only that, Google Friend Connect supplies you with various gadgets that you can place around your site (e.g. the toolbar you see at the bottom of this blog).
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