Computer hardware and software for receiving a text, e-mail, or phone call when the software detects a potential safety or health threat as measured by biometric sensors; wireless data communication software for receiving, processing, transmitting and displaying information relating to fitness, body fat and body mass index; computer software for managing information regarding a health and fitness program; downloadable computer application software with a silent wake alarm for mobile phones, portable media players and handheld computers which displays, measures and uploads time, date, heart rate, global positioning, direction, distance, altitude, speed, steps taken, calories burned, navigational information, weather information, temperature, wind speed, changes in heart rate, activity level, hours slept and quality of sleep; electronic software updates, namely, downloadable computer software and associated data files for updating computer software in the fields of biometrics, provided via computer and communication networks; sensors for monitoring heart rate, measuring human biometric data, blood oxygen saturation, body temperature, blood alcohol, carbon monoxide and blood glucose, and having an accelerometer function to detect falls or crashes, not for medical use; sensors for scientific use to be worn by a human to gather human biometric data and also including heart rate monitors and accelerometers to detect falls or crashes, sold as a unit