This document discusses people analytics and management techniques. It provides definitions of people analytics as a technique to measure employee potential and skill often used by managers to reduce their stress. It also defines two types of managers - tyrant managers who overpressure employees and lead to long term unsuccessful outcomes, and friendly managers who understand employees and create a good working environment. It stresses the importance of asking questions to detect and overcome flaws, asking new questions regularly to improve data, and discovering new techniques to understand employee stress beyond algorithms and statistics.