The Korea Institute of Science and Technology has recently developed a network-based humanoid robot, MAHRU, which is capable of having intelligence similar to that of humans (Fig. 1). The feature that sets MAHRU apart is its cognitive ability, which allows it to have various facial recognition and artificial intelligence functions through an external computer system connected via a network. Its system structure also facilitates easy updating of various application services through the network, so the same robot can be used to provide improved services depending on its environment and commands.