Wearable activity trackers displaying, measuring, and uploading to the Internet information including time, date, global positioning, direction, distance, altitude, elevation, speed, pace, steps taken, calories burned, routes, navigational information, weather information, temperature, wind speed, activity level, hours slept, quality of sleep, and silent wake alert; multifunctional electronic devices that alert users via audio and visual indicators and by a link to mobile phones to notify use...