Ключевые слова: 30s, 50s, 60s, adult, aged, beginner, career, caucasian, class, classroom, computer, course, desk, elderly, employment, european, explain, female, group, indoors, instructor, internet, job, learn, learning, lecture, lesson, male, man, master, mature, participant, search, show, studies, teach, teacher, teamwork, technology, trainee, trainer, training, use, using, woman,