Ключевые слова: 40s, 50s, active, active senior, activity, aged, app, asians, athletic, communication, computer, device, exercise, fitness, function, gadget, greenery, health, health care, healthy, information, internet, iot, japanese, jogger, lifestyle, mature, middle, middleaged, mobile, operation, outdoor, outdoors, pedometers, pulse, seniors, smart device, smart watches, smartwatch, technology, terminal, time, vitality, walking, watches, wearable, wearables, woman,