Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Peter Drucker - Engineers speak half–jokingly about...
Engineers speak half–jokingly about Murphy's Law: " If anything can go wrong, it will." But complexity stands under a second law as well. Let me call it Drucker's law: "If one thing goes wrong, everything else will, and at the same time."