At a computer software course, the participants were given an awkward question to answer: "If you had just boarded an airliner and discovered that your team of programmers had been responsible for the flight control software, how many of you would disembark immediately?"

Among the ensuing forest of raised hands only one man sat motionless. The instructor asked the lone brave man why he would be so content to stay on board.

"With my team's software," he reasoned, "the plane would be unlikely to successfully taxi to the runway, let alone take off."