Downloadable smartphone software applications for recording, managing, and analyzing health and physical-activity data, for connecting and managing internet and wireless-connection enabled devices, and for providing users with health-related and physical-activity-related content and services; downloadable computer software applications for recording, managing, and analyzing health and physical-activity data, for connecting and managing internet and wireless-connection enabled devices, and for providing users with health-related and physical-activity-related content and services; tablet computers; smartwatches; notebook computers; computers; computer hardware; recorded computer software for recording, managing, and analyzing health and physical-activity data, for connecting and managing internet and wireless-connection enabled devices, and for providing users with health-related and physical-activity-related content and services; pedometers; bathroom scales; smartphones; network routers; televisions; earphones; virtual reality headsets; photography cameras; connected bracelets, namely, wearable activity trackers; integrated circuit chips; digital door locks; 3D spectacles; mobile power supply, namely, rechargeable batteries