One could think of many reasons for considering a human base on Mars - such as over-population on Earth - but Darlene Lim is mainly motivated by the thrill of exploration.

BBC: Destination Mars on Earth

At the same time, by removing human employees from the low-level work that most often leads to errors, companies can develop an employee base focused more on the proactive aspects of business that require human creativity and intellect.

FORBES: Outage Prevention: Taking Humans Out Of The IT Equation