Mashable has the story on Google's latest attempt to turn Gmail into a social networking hub: Google Buzz. It's kind of confusing:

So, apparently, it's like Twitter, Google Wave, and Facebook all at once in your e-mail, and you can connect to Twitter (but not Facebok) with it. It remains to be seen if yet another interface is what the internet needs, but Google at least has an enormous captive audience. You can try Google Buzz right now; it's live in your Gmail.