Ключевые слова: 40s, adult, african american ethnicity, audience pov, av display, back view, big screen, black, college, communication, concentrating, copy space, desk, diversity, education, head and shoulders, higher education, incidental people, indoors, learning, lecture, lecture room, lecture theatre, lecturer, lecturing, listening, man, meeting, middle aged, multiethnic group, one person, point of view, presentation, presenting, selective focus, sitting, students, studying, teacher, technology, uk, university, vertical, watching, working,