Telehealth - the delivery of health services and clinical information from a distance - has reached new levels with the communication revolution of the last decade: consumer videoconferencing, mobile devices, high bandwidth infrastructure and close range wireless sensor networks have made many advances possible in the field. New specialized clinical applications and markets have also emerged. These include tele-homecare, tele-rehabilitation and tele-emergency, surveillance and disaster response, while ideas which once seemed futuristic, such as tele-procedures and tele-surgery, are now seen as.