Computer hardware; wearable computers; computer hardware and software for remotely accessing and transmitting data for use in sports and indoor and outdoor personal activities, including data about weather, date, time, location, distance, gaze, navigation, traffic, places of interest, health, fitness, translation, object recognition and guided assistance; computers for mobile devices for remotely accessing and transmitting data, namely computer hardware and software worn on the head for mobile devices for remotely accessing and transmitting data; computer hardware and software for displaying data for use in sports and indoor and outdoor personal activities, including data about weather, date, time, location, distance, gaze, navigation, traffic, places of interest, health, fitness, translation, object recognition and guided assistance and video; computer hardware and software for mobile devices for displaying data and video, namely, computer hardware and software worn on the head for mobile devices for displaying data and video; computer hardware and software for interfacing with the user including gesture recognition, voice recognition, eye tracking, head tracking, virtual keyboard; touch computer hardware and software for mobile devices for interfacing with the user, namely, computer hardware and software worn on the head for mobile devices for interfacing with the user; downloadable computer software, namely, downloadable mobile application for setting up, configuring, and controlling wearable computer hardware and wearable computer; computer software and wearable hardware for enabling measurement of vital signs and diagnostic testing of users at various locations and for enabling transfer of information pertaining to said measurements and user position and orientation over a communications medium, namely, a telephone connection, network interface or the Internet, to a central monitoring station; computer software and hardware for use in physiological measuring and monitoring, data collection and data fusion, review, comparison, interpretation, analysis, diagnosis, and storage of user's health parameters and user position and orientation; computer programs and software for the collection, compilation, processing, transmission and dissemination of data for use in sports and indoor and outdoor personal activities, including data about weather, date, time, location, distance, gaze, navigation, traffic, places of interest, health, fitness, translation, object recognition and guided assistance from a network of wearable devices; sunglasses, spectacles, eyeglasses frames, sunglasses frames, spectacles frames, motorcycle helmets, sports equipment, namely, sports helmets, bicycle helmets, sports' glasses, sports eyewear, ski goggles.