Google Buzz was released two days back is a new way to connect with people right inside Gmail. You can add social networks like Twitter and share your updates either public or only to your friends. You can also automatically follow the people you email and chat with the most in Gmail. If you want to access Google Buzz, you need to login to Gmail and access it from there. Now you can view Google Buzz updates from your friends right inside Google Chrome with the Chrome Buzz extension.
You can only view the buzz and there is no option to add comments or update your status. But you can view the updates in browser window by clicking the links in the Chrome Buzz window.