Ключевые слова: active, adult, aged, background, caucasian, communication, computer, connection, contemporary, data, day, elderly, female, finger, grandma, grandmother, hand, home, indoor, information, internet, keyboard, knowledge, laptop, learn, lifestyle, mature, modern, mother, notebook, old, older, online, people, person, retirement, search, senior, sitting, skin, table, technology, trackpad, typing, using, wireless, woman, work, wrinkle, wrinkled,