 the line:
</p>
<pre>blackbox.uuid=optout</pre>
<p>
  Alternatively, if you want to opt-out your users and prevent them
  from re-enabling participation, we have provided an alternate BlueJ
  release that completely disables the data participation mechanism.
  You can <a href="http://www.bluej.org/download/files/bluej-310b.msi">download
  the release here</a> -- it should act as a drop-in 
  replacement for the usual BlueJ installer.
</p>
</div>

<span class="question-heading" id="contact">My question isn't