That&#x27;s neat, but I still think the self-reproducing r.zip from &quot;zip files all the way down&quot; is the best compression trick I&#x27;ve seen:<p><a href="http:&#x2F;&#x2F;research.swtch.com&#x2F;zip" rel="nofollow">http:&#x2F;&#x2F;research.swtch.com&#x2F;zip</a>