Ключевые слова: abstract, academic, audience, background, business, career, class, classroom, cloud, college, conference, corporate, course, dream, education, event, fair, group, hands, happy, job, joy, knowledge, laptop, learn, learning, lesson, meeting, people, presentation, relax, relaxed, school, screen, seminar, sitting, sky, sleep, speaker, student, students, study, studying, teacher, teaching, team, training, university, workshop, young,