<p>The focus of the system must be on Q&amp;A, not users and questions/answers.</p>

<p>This is the similar question as <a href="http://meta.stackexchange.com/questions/41483/is-it-possible-to-follow-a-user-automatically">Is it possible to follow a user automatically?</a> on meta.stackoverflow.com.  The top level answers are:</p>

<ul>
<li>You can follow their RSS feed: <a href="http://meta.serverfault.com/feeds/user/12352/">example</a></li>
<li>Quoted from Jeff's blog:
<blockquote>
  <p>We’re not building some hyper-viral social networking tool like Facebook or MySpace or LinkedIn where we try to game you into hanging around and socializing and building lists of fake friends to get results</li>
  </ul>

<p>So in summary, no there is no way, and it is by design.</p>
</blockquote></p>