Ladies and gentlemen- Google Buzz has now been announced! It looks like Google inadvertently answered my " social hub " prayers today with everything that Buzz has to offer. First thing I noticed: does Buzz sound familiar? That's right, Y! Buzz already exists. It seems like Google is going to be direct competition to good old Yahoo. Unfortunately it hasn't went through to everybody yet so I don't have any screen shots or usage notes to give you. I can, however,