personal digital assistants; wearable activity trackers; smartwatches; personal digital assistants in the shape of a watch; personal digital assistants for counting, tracking, calculating, monitoring, recording or displaying physical activity levels, physical inactivity periods, steps and distances made by exercise, comparison between exercise achieved levels and exercise goal levels, body movements and speed, calories burned, exercise goal levels based on past exercise, the quality of rest and sleep patterns; personal digital assistants in the form of a smartwatch with downloadable software and display screen for viewing, sending and receiving texts, emails, data and information; personal digital assistants in the nature of smartwatches with integrated global navigation satellite system (GNSS), wireless communication devices, heart rate monitors, pulse monitors, sphygmomanometers, body composition monitors, blood oxygen monitors, measuring devices of calories burned, barometers, pedometers, altimeters, compasses, gyroscopes, electrocardiographs, thermometers and accelerometers; personal digital assistants for operation and control of Internet of Things enabled devices; wearable data processing apparatus; wearable personal digital assistants; downloadable computer software for operation and control of smartwatches and personal digital assistants in the shape of watches; downloadable computer software for synchronization and exchange of data between computers, tablet computers, mobile phones, smartphones, personal digital assistants and smartwatches; downloadable software applications for operation and control of Internet of Things enabled devices