- The document discusses the evolution of robots from their origins in fiction in the 1920s to their modern uses as teachers. - It notes that the term "robot" was first used in a 1921 play and that Isaac Asimov helped develop the concept of robotics and created the Three Laws of Robotics in the 1940s. - George Devol created the first programmable robot in 1954, laying the foundations for industrial robotics. - The document describes how robots like Saya in Japan and Engkey in South Korea are now being used as English teachers in classrooms.