The Google Buzz folks must have heard or read  all the noise about  Buzz kills that they are now answering some of these.  So Google a nnounced three tweaks that it hopes to address some of the major concerns of the millions of Gmail users who jumped into the buzz hype.   First of these tweaks is about auto-following. So instead of making you automatically follow people in your Gmail contacts, Google will instead give you a chance to select only those you want to follow.