I&#x27;m having a hard time understanding how NaCl improves or alters this at all.<p>I understand NaCl is a way to execute x86 binary code inside a Web browser.<p>I also understand NaCl is not enabled by default.<p>I can&#x27;t see anything anywhere on this page that eg fires up DOSBox.<p>I also can&#x27;t see anything giving me errors saying &quot;NaCl is not enabled!&quot;; I&#x27;m running the stable build, which doesn&#x27;t enable it, and I&#x27;ve had no reason to change that.<p>This looks like yet another reimplementation of a &quot;web-based desktop&quot;.