Explores the history of telepresence from the 1948 developments of master-slave manipulation, through to current telepresence technology used in space, undersea, surgery and telemedicine, operations in nuclear and other hazardous environments, policing and surveillance, agriculture, construction, mining, warehousing, education, amusement, social media and other contexts Reviews the differing technologies for visual, haptic, tactile remote sensing at the remote site, and the corresponding means of the display to the human operator Reviews the sensing and control technology, its history, and likely future, and discusses the many research and policy issues Reviews psychological experiments in telepresence with relation to virtual and augmented reality Examines social and ethical concerns: ease of spying, mischief, and crime via remote control of an avatar