From a historical context, the design and use of algorithms pre-dates the current proliferation of algorithms throughout society. For example, culminating in the Industrial Revolution, automated machines and tools have for centuries been assisting humans in performing physical tasks. Drills, engravers, weaving machines, and the like employed machines’ physical advantages to free human beings from repetitive physical labor. In a similar manner, algorithms are now taking on the decision-making and human supervisory control of systems which require human cognitive skills.