Smartwatches; Mobile phones; Augmented reality software for use in mobile devices for integrating electronic data with real world environments for the purpose of locating people; Computer application software for smart phones, smartwatches, tablet computers and portable computers for use in locating people using GPS data and cellular communications networks; Electronic personal emergency response system consisting of a device worn on the body with a button that users push to notify others in the event of an emergency; Electronic devices for locating people using GPS and cellular communication networks; Pedometers; [ Altimeters; ] Multifunctional electronic devices for displaying, measuring, and uploading to the Internet information including time, date, global positioning, direction, distance, altitude, speed, steps taken, navigational information, and activity level; computer software for wireless data communication for receiving, processing, transmitting and displaying information relating to fitness; computer software for managing information regarding tracking, compliance and motivation with a health and fitness program and goal