Smartglasses; spectacles; wearable computers in the nature of smartwatches; wearable computers in the nature of smartglasses; data processing apparatus; augmented reality headsets; head-mounted video displays; humanoid robots with artificial intelligence for use in scientific research; computer hardware; computer hardware for connecting components of augmented reality system; virtual reality headsets; VPN (virtual private network) hardware; headgear being protective helmets; iris recognition security devices; downloadable speech recognition software; recorded speech recognition software; wearable video display monitors; wrist-mounted smartphones; virtual reality goggles; 3D spectacles; headsets for virtual reality games; humanoid robots having communication and learning functions for assisting and entertaining people; user-programmable humanoid robots, not configured; teaching robots; wearable technological devices being virtual reality headsets; virtual reality headsets adapted for use in playing video games; virtual reality controllers; smartwatches; computer hardware for communicating audio, video and data between computers via a global computer network, wide-area computer networks, and peer-to-peer computer network; communications servers; computer hardware for telecommunications; recorded computer virtual reality game software; recorded virtual reality software for data processing