"Though the enemy be stronger in numbers, we may prevent him from fighting. Scheme so as to discover his plans and the likelihood of their success. Rouse him, and learn the principle of his activity or inactivity. Force him to reveal himself, so as to find out his vulnerable spots."
Sun Tzu, The Art of War
Picture the scene: The 5,000 strong workforce of a multinational company are returning to work after a long and very enjoyable Christmas break and they're thinking about easing themselves back into the routine of work once more.