Google Buzz
No setup needed
Automatically follow the people you email and chat with the most in Gmail.
Share publicly or privately
Publish your ideas to the world or just to your closest friends.
Inbox integration
Comments get sent right to your inbox so it’s easy to keep the conversation going.
Photo friendly
See thumbnails with each post, and browse full-screen photos from popular sites.
Connect sites you already use
Import your stuff from Twitter, Picasa, Flickr, and Google Reader.
See updates in real time
New posts and comments pop in as they happen. No refresh required.
Just the good stuff
Buzz recommends interesting posts and weeds out ones you’re likely to skip.
Make your self private with this link
http://lifehacker.com/5469388/stop-google-buzz-from-showing-the-world-your-contacts
Interesting Buzz! And that too from google, I like it!