Maybe the Jedi mind trick worked on them: they left off Github's.<p><a href="https://github.com/404" rel="nofollow">https://github.com/404</a><p>See also:<p><a href="https://github.com/500" rel="nofollow">https://github.com/500</a><p><a href="http://blippy.com/404" rel="nofollow">http://blippy.com/404</a>